Question: The second cosmic velocity (or escape velocity) is the speed required by an object to escape the gravitational field of a celestial body with mass M and radius R. Which formula correctly calculates this velocity? (G: gravitational constant)

astronomy

Choices:
- A
- B
- C
- D

Question:
Question: The second cosmic velocity (or escape velocity) is the speed required by an object to escape the gravitational field of a celestial body with mass M and radius R. Which formula correctly calculates this velocity? (G: gravitational constant)
 A. v = sqrt(GM/R)
 B. v = 2sqrt(GM/R)
 C. v = sqrt(2GM/R)
 D. v = sqrt(GM/2R)
Answer:


Question: Why are there no impact craters on the surface of Io?

astronomy

Choices:
- A
- B
- C
- D

Question:
Question: Why are there no impact craters on the surface of Io?
 A. Io did have impact craters but they have all been buried in lava flows.
 B. It is too small to have been hit during the Late Heavy Bombardment
 C. Jupiter's strong gravity attracted the planetesimals more strongly than Io and thus none landed on its surface.
 D. Any craters that existed have been eroded through the strong winds on Io's surface.
Answer:

Context:
The following are multiple choice questions (with answers) about astronomy.

Question: You are pushing a truck along a road. Would it be easier to accelerate this truck on Mars? Why? (Assume there is no friction)
 A. It would be harder since the truck is heavier on Mars.
 B. It would be easier since the truck is lighter on Mars.
 C. It would be harder since the truck is lighter on Mars.
 D. It would be the same no matter where you are.
Answer: D

Question: Where do most short-period comets come from and how do we know?
 A. The Kuiper belt; short period comets tend to be in the plane of the solar system just like the Kuiper belt.
 B. The Kuiper belt; short period comets tend to come from random directions indicating a spherical distribution of comets called the Kuiper belt.
 C. The asteroid belt; short period comets have orbital periods similar to asteroids like Vesta and are found in the plane of the solar system just like the asteroid belt.
 D. The Oort cloud; short period comets tend to be in the plane of the solar system just like the Oort cloud.
Answer: A

Question: Say the pupil of your eye has a diameter of 5 mm and you have a telescope with an aperture of 50 cm. How much more light can the telescope gather than your eye?
 A. 10000 times more
 B. 100 times more
 C. 1000 times more
 D. 10 times more
Answer: A

Question: Why isn't there a planet where the asteroid belt is located?
 A. A planet once formed here but it was broken apart by a catastrophic collision.
 B. There was not enough material in this part of the solar nebula to form a planet.
 C. There was too much rocky material to form a terrestrial planet but not enough gaseous material to form a jovian planet.
 D. Resonance with Jupiter prevented material from collecting together to form a planet.
Answer: D

Question: Why is Mars red?
 A. Because the surface is covered with heavily oxidized ("rusted") minerals.
 B. Because the atmosphere scatters more light at bluer wavelengths transmitting mostly red light.
 C. Because Mars is covered with ancient lava flows which are red in color.
 D. Because flowing water on Mars's surface altered the surface minerals several billion years ago.
Answer: A

Question: Why are there no impact craters on the surface of Io?
 A. Io did have impact craters but they have all been buried in lava flows.
 B. It is too small to have been hit during the Late Heavy Bombardment
 C. Jupiter's strong gravity attracted the planetesimals more strongly than Io and thus none landed on its surface.
 D. Any craters that existed have been eroded through the strong winds on Io's surface.
Answer:


Question: Why are there no impact craters on the surface of Io?

astronomy

Choices:
- A
- B
- C
- D

Question:
Question: Why are there no impact craters on the surface of Io?
 A. Io did have impact craters but they have all been buried in lava flows.
 B. It is too small to have been hit during the Late Heavy Bombardment
 C. Jupiter's strong gravity attracted the planetesimals more strongly than Io and thus none landed on its surface.
 D. Any craters that existed have been eroded through the strong winds on Io's surface.
Answer:


Question: Why are there no impact craters on the surface of Io?

astronomy

Choices:
- A
- B
- C
- D

Question:
Question: Why are there no impact craters on the surface of Io?
 A. Io did have impact craters but they have all been buried in lava flows.
 B. It is too small to have been hit during the Late Heavy Bombardment
 C. Jupiter's strong gravity attracted the planetesimals more strongly than Io and thus none landed on its surface.
 D. Any craters that existed have been eroded through the strong winds on Io's surface.
Answer:


Question: Why are there no impact craters on the surface of Io?

astronomy

Choices:
- A
- B
- C
- D

Question:
Question: Why are there no impact craters on the surface of Io?
 A. Io did have impact craters but they have all been buried in lava flows.
 B. It is too small to have been hit during the Late Heavy Bombardment
 C. Jupiter's strong gravity attracted the planetesimals more strongly than Io and thus none landed on its surface.
 D. Any craters that existed have been eroded through the strong winds on Io's surface.
Answer:


Question: The star Betelgeuse is one of the brightest stars in the night sky with remarkable red color. In which constellation is Betelgeuse located?

astronomy

Choices:
- A
- B
- C
- D

Question:
Question: The star Betelgeuse is one of the brightest stars in the night sky with remarkable red color. In which constellation is Betelgeuse located?
 A. Cassiopeia
 B. Cygnus
 C. Ursa Major
 D. Orion
Answer:

Context:
The following are multiple choice questions (with answers) about astronomy.

Question: You are pushing a truck along a road. Would it be easier to accelerate this truck on Mars? Why? (Assume there is no friction)
 A. It would be harder since the truck is heavier on Mars.
 B. It would be easier since the truck is lighter on Mars.
 C. It would be harder since the truck is lighter on Mars.
 D. It would be the same no matter where you are.
Answer: D

Question: Where do most short-period comets come from and how do we know?
 A. The Kuiper belt; short period comets tend to be in the plane of the solar system just like the Kuiper belt.
 B. The Kuiper belt; short period comets tend to come from random directions indicating a spherical distribution of comets called the Kuiper belt.
 C. The asteroid belt; short period comets have orbital periods similar to asteroids like Vesta and are found in the plane of the solar system just like the asteroid belt.
 D. The Oort cloud; short period comets tend to be in the plane of the solar system just like the Oort cloud.
Answer: A

Question: Say the pupil of your eye has a diameter of 5 mm and you have a telescope with an aperture of 50 cm. How much more light can the telescope gather than your eye?
 A. 10000 times more
 B. 100 times more
 C. 1000 times more
 D. 10 times more
Answer: A

Question: Why isn't there a planet where the asteroid belt is located?
 A. A planet once formed here but it was broken apart by a catastrophic collision.
 B. There was not enough material in this part of the solar nebula to form a planet.
 C. There was too much rocky material to form a terrestrial planet but not enough gaseous material to form a jovian planet.
 D. Resonance with Jupiter prevented material from collecting together to form a planet.
Answer: D

Question: Why is Mars red?
 A. Because the surface is covered with heavily oxidized ("rusted") minerals.
 B. Because the atmosphere scatters more light at bluer wavelengths transmitting mostly red light.
 C. Because Mars is covered with ancient lava flows which are red in color.
 D. Because flowing water on Mars's surface altered the surface minerals several billion years ago.
Answer: A

Question: The star Betelgeuse is one of the brightest stars in the night sky with remarkable red color. In which constellation is Betelgeuse located?
 A. Cassiopeia
 B. Cygnus
 C. Ursa Major
 D. Orion
Answer:


Question: The star Betelgeuse is one of the brightest stars in the night sky with remarkable red color. In which constellation is Betelgeuse located?

astronomy

Choices:
- A
- B
- C
- D

Question:
Question: The star Betelgeuse is one of the brightest stars in the night sky with remarkable red color. In which constellation is Betelgeuse located?
 A. Cassiopeia
 B. Cygnus
 C. Ursa Major
 D. Orion
Answer:


Question: The star Betelgeuse is one of the brightest stars in the night sky with remarkable red color. In which constellation is Betelgeuse located?

astronomy

Choices:
- A
- B
- C
- D

Question:
Question: The star Betelgeuse is one of the brightest stars in the night sky with remarkable red color. In which constellation is Betelgeuse located?
 A. Cassiopeia
 B. Cygnus
 C. Ursa Major
 D. Orion
Answer:


Question: The star Betelgeuse is one of the brightest stars in the night sky with remarkable red color. In which constellation is Betelgeuse located?

astronomy

Choices:
- A
- B
- C
- D

Question:
Question: The star Betelgeuse is one of the brightest stars in the night sky with remarkable red color. In which constellation is Betelgeuse located?
 A. Cassiopeia
 B. Cygnus
 C. Ursa Major
 D. Orion
Answer:


Question: What is the source of the material that causes meteor showers?

astronomy

Choices:
- A
- B
- C
- D

Question:
Question: What is the source of the material that causes meteor showers?
 A. Asteroid impacts elsewhere in the solar system throw sand-sized particles into space and occasionally the Earth passes through a cloud of these particles which burn up in our atmosphere and cause a meteor shower.
 B. Near-Earth asteroids gradually disintegrate and spread out along their orbital paths. When the Earth passes through the orbit of an asteroid we are bombarded by sand-sized particles that cause a meteor shower.
 C. Near-Earth asteroids disintegrate as they enter Earth's atmosphere creating hundreds of bright meteors that appear to radiate from a single location in the sky.
 D. The nuclei of comets gradually disintegrate and spread out along their orbital paths. When the Earth passes through the orbit of an comet we are bombarded by sand-sized particles that cause a meteor shower.
Answer:

Context:
The following are multiple choice questions (with answers) about astronomy.

Question: You are pushing a truck along a road. Would it be easier to accelerate this truck on Mars? Why? (Assume there is no friction)
 A. It would be harder since the truck is heavier on Mars.
 B. It would be easier since the truck is lighter on Mars.
 C. It would be harder since the truck is lighter on Mars.
 D. It would be the same no matter where you are.
Answer: D

Question: Where do most short-period comets come from and how do we know?
 A. The Kuiper belt; short period comets tend to be in the plane of the solar system just like the Kuiper belt.
 B. The Kuiper belt; short period comets tend to come from random directions indicating a spherical distribution of comets called the Kuiper belt.
 C. The asteroid belt; short period comets have orbital periods similar to asteroids like Vesta and are found in the plane of the solar system just like the asteroid belt.
 D. The Oort cloud; short period comets tend to be in the plane of the solar system just like the Oort cloud.
Answer: A

Question: Say the pupil of your eye has a diameter of 5 mm and you have a telescope with an aperture of 50 cm. How much more light can the telescope gather than your eye?
 A. 10000 times more
 B. 100 times more
 C. 1000 times more
 D. 10 times more
Answer: A

Question: Why isn't there a planet where the asteroid belt is located?
 A. A planet once formed here but it was broken apart by a catastrophic collision.
 B. There was not enough material in this part of the solar nebula to form a planet.
 C. There was too much rocky material to form a terrestrial planet but not enough gaseous material to form a jovian planet.
 D. Resonance with Jupiter prevented material from collecting together to form a planet.
Answer: D

Question: Why is Mars red?
 A. Because the surface is covered with heavily oxidized ("rusted") minerals.
 B. Because the atmosphere scatters more light at bluer wavelengths transmitting mostly red light.
 C. Because Mars is covered with ancient lava flows which are red in color.
 D. Because flowing water on Mars's surface altered the surface minerals several billion years ago.
Answer: A

Question: What is the source of the material that causes meteor showers?
 A. Asteroid impacts elsewhere in the solar system throw sand-sized particles into space and occasionally the Earth passes through a cloud of these particles which burn up in our atmosphere and cause a meteor shower.
 B. Near-Earth asteroids gradually disintegrate and spread out along their orbital paths. When the Earth passes through the orbit of an asteroid we are bombarded by sand-sized particles that cause a meteor shower.
 C. Near-Earth asteroids disintegrate as they enter Earth's atmosphere creating hundreds of bright meteors that appear to radiate from a single location in the sky.
 D. The nuclei of comets gradually disintegrate and spread out along their orbital paths. When the Earth passes through the orbit of an comet we are bombarded by sand-sized particles that cause a meteor shower.
Answer:


Question: What is the source of the material that causes meteor showers?

astronomy

Choices:
- A
- B
- C
- D

Question:
Question: What is the source of the material that causes meteor showers?
 A. Asteroid impacts elsewhere in the solar system throw sand-sized particles into space and occasionally the Earth passes through a cloud of these particles which burn up in our atmosphere and cause a meteor shower.
 B. Near-Earth asteroids gradually disintegrate and spread out along their orbital paths. When the Earth passes through the orbit of an asteroid we are bombarded by sand-sized particles that cause a meteor shower.
 C. Near-Earth asteroids disintegrate as they enter Earth's atmosphere creating hundreds of bright meteors that appear to radiate from a single location in the sky.
 D. The nuclei of comets gradually disintegrate and spread out along their orbital paths. When the Earth passes through the orbit of an comet we are bombarded by sand-sized particles that cause a meteor shower.
Answer:


Question: What is the source of the material that causes meteor showers?

astronomy

Choices:
- A
- B
- C
- D

Question:
Question: What is the source of the material that causes meteor showers?
 A. Asteroid impacts elsewhere in the solar system throw sand-sized particles into space and occasionally the Earth passes through a cloud of these particles which burn up in our atmosphere and cause a meteor shower.
 B. Near-Earth asteroids gradually disintegrate and spread out along their orbital paths. When the Earth passes through the orbit of an asteroid we are bombarded by sand-sized particles that cause a meteor shower.
 C. Near-Earth asteroids disintegrate as they enter Earth's atmosphere creating hundreds of bright meteors that appear to radiate from a single location in the sky.
 D. The nuclei of comets gradually disintegrate and spread out along their orbital paths. When the Earth passes through the orbit of an comet we are bombarded by sand-sized particles that cause a meteor shower.
Answer:


Question: What is the source of the material that causes meteor showers?

astronomy

Choices:
- A
- B
- C
- D

Question:
Question: What is the source of the material that causes meteor showers?
 A. Asteroid impacts elsewhere in the solar system throw sand-sized particles into space and occasionally the Earth passes through a cloud of these particles which burn up in our atmosphere and cause a meteor shower.
 B. Near-Earth asteroids gradually disintegrate and spread out along their orbital paths. When the Earth passes through the orbit of an asteroid we are bombarded by sand-sized particles that cause a meteor shower.
 C. Near-Earth asteroids disintegrate as they enter Earth's atmosphere creating hundreds of bright meteors that appear to radiate from a single location in the sky.
 D. The nuclei of comets gradually disintegrate and spread out along their orbital paths. When the Earth passes through the orbit of an comet we are bombarded by sand-sized particles that cause a meteor shower.
Answer:


Question: How does the greenhouse effect work?

astronomy

Choices:
- A
- B
- C
- D

Question:
Question: How does the greenhouse effect work?
 A. Greenhouse gases absorb infrared light from the Sun which then heats the atmosphere and the surface.
 B. Ozone transmits visible light allowing it to heat the surface but then absorbs most of the infrared heat trapping the heat near the surface.
 C. Greenhouse gases transmit visible light allowing it to heat the surface but then absorb infrared light from Earth trapping the heat near the surface.
 D. The higher pressure of the thick atmosphere at lower altitudes traps heat in more effectively.
Answer:

Context:
The following are multiple choice questions (with answers) about astronomy.

Question: You are pushing a truck along a road. Would it be easier to accelerate this truck on Mars? Why? (Assume there is no friction)
 A. It would be harder since the truck is heavier on Mars.
 B. It would be easier since the truck is lighter on Mars.
 C. It would be harder since the truck is lighter on Mars.
 D. It would be the same no matter where you are.
Answer: D

Question: Where do most short-period comets come from and how do we know?
 A. The Kuiper belt; short period comets tend to be in the plane of the solar system just like the Kuiper belt.
 B. The Kuiper belt; short period comets tend to come from random directions indicating a spherical distribution of comets called the Kuiper belt.
 C. The asteroid belt; short period comets have orbital periods similar to asteroids like Vesta and are found in the plane of the solar system just like the asteroid belt.
 D. The Oort cloud; short period comets tend to be in the plane of the solar system just like the Oort cloud.
Answer: A

Question: Say the pupil of your eye has a diameter of 5 mm and you have a telescope with an aperture of 50 cm. How much more light can the telescope gather than your eye?
 A. 10000 times more
 B. 100 times more
 C. 1000 times more
 D. 10 times more
Answer: A

Question: Why isn't there a planet where the asteroid belt is located?
 A. A planet once formed here but it was broken apart by a catastrophic collision.
 B. There was not enough material in this part of the solar nebula to form a planet.
 C. There was too much rocky material to form a terrestrial planet but not enough gaseous material to form a jovian planet.
 D. Resonance with Jupiter prevented material from collecting together to form a planet.
Answer: D

Question: Why is Mars red?
 A. Because the surface is covered with heavily oxidized ("rusted") minerals.
 B. Because the atmosphere scatters more light at bluer wavelengths transmitting mostly red light.
 C. Because Mars is covered with ancient lava flows which are red in color.
 D. Because flowing water on Mars's surface altered the surface minerals several billion years ago.
Answer: A

Question: How does the greenhouse effect work?
 A. Greenhouse gases absorb infrared light from the Sun which then heats the atmosphere and the surface.
 B. Ozone transmits visible light allowing it to heat the surface but then absorbs most of the infrared heat trapping the heat near the surface.
 C. Greenhouse gases transmit visible light allowing it to heat the surface but then absorb infrared light from Earth trapping the heat near the surface.
 D. The higher pressure of the thick atmosphere at lower altitudes traps heat in more effectively.
Answer:


Question: How does the greenhouse effect work?

astronomy

Choices:
- A
- B
- C
- D

Question:
Question: How does the greenhouse effect work?
 A. Greenhouse gases absorb infrared light from the Sun which then heats the atmosphere and the surface.
 B. Ozone transmits visible light allowing it to heat the surface but then absorbs most of the infrared heat trapping the heat near the surface.
 C. Greenhouse gases transmit visible light allowing it to heat the surface but then absorb infrared light from Earth trapping the heat near the surface.
 D. The higher pressure of the thick atmosphere at lower altitudes traps heat in more effectively.
Answer:


Question: How does the greenhouse effect work?

astronomy

Choices:
- A
- B
- C
- D

Question:
Question: How does the greenhouse effect work?
 A. Greenhouse gases absorb infrared light from the Sun which then heats the atmosphere and the surface.
 B. Ozone transmits visible light allowing it to heat the surface but then absorbs most of the infrared heat trapping the heat near the surface.
 C. Greenhouse gases transmit visible light allowing it to heat the surface but then absorb infrared light from Earth trapping the heat near the surface.
 D. The higher pressure of the thick atmosphere at lower altitudes traps heat in more effectively.
Answer:


Question: How does the greenhouse effect work?

astronomy

Choices:
- A
- B
- C
- D

Question:
Question: How does the greenhouse effect work?
 A. Greenhouse gases absorb infrared light from the Sun which then heats the atmosphere and the surface.
 B. Ozone transmits visible light allowing it to heat the surface but then absorbs most of the infrared heat trapping the heat near the surface.
 C. Greenhouse gases transmit visible light allowing it to heat the surface but then absorb infrared light from Earth trapping the heat near the surface.
 D. The higher pressure of the thick atmosphere at lower altitudes traps heat in more effectively.
Answer:


Question: Which of the following methods has led to the most discoveries of massive planets orbiting near their parent stars?

astronomy

Choices:
- A
- B
- C
- D

Question:
Question: Which of the following methods has led to the most discoveries of massive planets orbiting near their parent stars?
 A. detecting the gravitational effect of an orbiting planet by looking for the Doppler shifts in the star's spectrum
 B. detecting the shift of the star's position against the sky due to the planet's gravitational pull
 C. detecting a planet ejected from a binary star system
 D. detecting the starlight reflected off the planet
Answer:

Context:
The following are multiple choice questions (with answers) about astronomy.

Question: You are pushing a truck along a road. Would it be easier to accelerate this truck on Mars? Why? (Assume there is no friction)
 A. It would be harder since the truck is heavier on Mars.
 B. It would be easier since the truck is lighter on Mars.
 C. It would be harder since the truck is lighter on Mars.
 D. It would be the same no matter where you are.
Answer: D

Question: Where do most short-period comets come from and how do we know?
 A. The Kuiper belt; short period comets tend to be in the plane of the solar system just like the Kuiper belt.
 B. The Kuiper belt; short period comets tend to come from random directions indicating a spherical distribution of comets called the Kuiper belt.
 C. The asteroid belt; short period comets have orbital periods similar to asteroids like Vesta and are found in the plane of the solar system just like the asteroid belt.
 D. The Oort cloud; short period comets tend to be in the plane of the solar system just like the Oort cloud.
Answer: A

Question: Say the pupil of your eye has a diameter of 5 mm and you have a telescope with an aperture of 50 cm. How much more light can the telescope gather than your eye?
 A. 10000 times more
 B. 100 times more
 C. 1000 times more
 D. 10 times more
Answer: A

Question: Why isn't there a planet where the asteroid belt is located?
 A. A planet once formed here but it was broken apart by a catastrophic collision.
 B. There was not enough material in this part of the solar nebula to form a planet.
 C. There was too much rocky material to form a terrestrial planet but not enough gaseous material to form a jovian planet.
 D. Resonance with Jupiter prevented material from collecting together to form a planet.
Answer: D

Question: Why is Mars red?
 A. Because the surface is covered with heavily oxidized ("rusted") minerals.
 B. Because the atmosphere scatters more light at bluer wavelengths transmitting mostly red light.
 C. Because Mars is covered with ancient lava flows which are red in color.
 D. Because flowing water on Mars's surface altered the surface minerals several billion years ago.
Answer: A

Question: Which of the following methods has led to the most discoveries of massive planets orbiting near their parent stars?
 A. detecting the gravitational effect of an orbiting planet by looking for the Doppler shifts in the star's spectrum
 B. detecting the shift of the star's position against the sky due to the planet's gravitational pull
 C. detecting a planet ejected from a binary star system
 D. detecting the starlight reflected off the planet
Answer:


Question: Which of the following methods has led to the most discoveries of massive planets orbiting near their parent stars?

astronomy

Choices:
- A
- B
- C
- D

Question:
Question: Which of the following methods has led to the most discoveries of massive planets orbiting near their parent stars?
 A. detecting the gravitational effect of an orbiting planet by looking for the Doppler shifts in the star's spectrum
 B. detecting the shift of the star's position against the sky due to the planet's gravitational pull
 C. detecting a planet ejected from a binary star system
 D. detecting the starlight reflected off the planet
Answer:


Question: Which of the following methods has led to the most discoveries of massive planets orbiting near their parent stars?

astronomy

Choices:
- A
- B
- C
- D

Question:
Question: Which of the following methods has led to the most discoveries of massive planets orbiting near their parent stars?
 A. detecting the gravitational effect of an orbiting planet by looking for the Doppler shifts in the star's spectrum
 B. detecting the shift of the star's position against the sky due to the planet's gravitational pull
 C. detecting a planet ejected from a binary star system
 D. detecting the starlight reflected off the planet
Answer:


Question: Which of the following methods has led to the most discoveries of massive planets orbiting near their parent stars?

astronomy

Choices:
- A
- B
- C
- D

Question:
Question: Which of the following methods has led to the most discoveries of massive planets orbiting near their parent stars?
 A. detecting the gravitational effect of an orbiting planet by looking for the Doppler shifts in the star's spectrum
 B. detecting the shift of the star's position against the sky due to the planet's gravitational pull
 C. detecting a planet ejected from a binary star system
 D. detecting the starlight reflected off the planet
Answer:


Question: The distance between the Earth and the star Altair is one million times greater than the distance between the Earth and the Sun. How far is Altair from the Earth?

astronomy

Choices:
- A
- B
- C
- D

Question:
Question: The distance between the Earth and the star Altair is one million times greater than the distance between the Earth and the Sun. How far is Altair from the Earth?
 A. 9.3 x 1013 meters
 B. 9.3 x 1010 meters
 C. 1.5 x 1014 meters
 D. 1.5 x 1017 meters
Answer:

Context:
The following are multiple choice questions (with answers) about astronomy.

Question: You are pushing a truck along a road. Would it be easier to accelerate this truck on Mars? Why? (Assume there is no friction)
 A. It would be harder since the truck is heavier on Mars.
 B. It would be easier since the truck is lighter on Mars.
 C. It would be harder since the truck is lighter on Mars.
 D. It would be the same no matter where you are.
Answer: D

Question: Where do most short-period comets come from and how do we know?
 A. The Kuiper belt; short period comets tend to be in the plane of the solar system just like the Kuiper belt.
 B. The Kuiper belt; short period comets tend to come from random directions indicating a spherical distribution of comets called the Kuiper belt.
 C. The asteroid belt; short period comets have orbital periods similar to asteroids like Vesta and are found in the plane of the solar system just like the asteroid belt.
 D. The Oort cloud; short period comets tend to be in the plane of the solar system just like the Oort cloud.
Answer: A

Question: Say the pupil of your eye has a diameter of 5 mm and you have a telescope with an aperture of 50 cm. How much more light can the telescope gather than your eye?
 A. 10000 times more
 B. 100 times more
 C. 1000 times more
 D. 10 times more
Answer: A

Question: Why isn't there a planet where the asteroid belt is located?
 A. A planet once formed here but it was broken apart by a catastrophic collision.
 B. There was not enough material in this part of the solar nebula to form a planet.
 C. There was too much rocky material to form a terrestrial planet but not enough gaseous material to form a jovian planet.
 D. Resonance with Jupiter prevented material from collecting together to form a planet.
Answer: D

Question: Why is Mars red?
 A. Because the surface is covered with heavily oxidized ("rusted") minerals.
 B. Because the atmosphere scatters more light at bluer wavelengths transmitting mostly red light.
 C. Because Mars is covered with ancient lava flows which are red in color.
 D. Because flowing water on Mars's surface altered the surface minerals several billion years ago.
Answer: A

Question: The distance between the Earth and the star Altair is one million times greater than the distance between the Earth and the Sun. How far is Altair from the Earth?
 A. 9.3 x 1013 meters
 B. 9.3 x 1010 meters
 C. 1.5 x 1014 meters
 D. 1.5 x 1017 meters
Answer:


Question: The distance between the Earth and the star Altair is one million times greater than the distance between the Earth and the Sun. How far is Altair from the Earth?

astronomy

Choices:
- A
- B
- C
- D

Question:
Question: The distance between the Earth and the star Altair is one million times greater than the distance between the Earth and the Sun. How far is Altair from the Earth?
 A. 9.3 x 1013 meters
 B. 9.3 x 1010 meters
 C. 1.5 x 1014 meters
 D. 1.5 x 1017 meters
Answer:


Question: The distance between the Earth and the star Altair is one million times greater than the distance between the Earth and the Sun. How far is Altair from the Earth?

astronomy

Choices:
- A
- B
- C
- D

Question:
Question: The distance between the Earth and the star Altair is one million times greater than the distance between the Earth and the Sun. How far is Altair from the Earth?
 A. 9.3 x 1013 meters
 B. 9.3 x 1010 meters
 C. 1.5 x 1014 meters
 D. 1.5 x 1017 meters
Answer:


Question: The distance between the Earth and the star Altair is one million times greater than the distance between the Earth and the Sun. How far is Altair from the Earth?

astronomy

Choices:
- A
- B
- C
- D

Question:
Question: The distance between the Earth and the star Altair is one million times greater than the distance between the Earth and the Sun. How far is Altair from the Earth?
 A. 9.3 x 1013 meters
 B. 9.3 x 1010 meters
 C. 1.5 x 1014 meters
 D. 1.5 x 1017 meters
Answer:


Question: Why did Ptolemy have the planets orbiting Earth on ‘circles upon circles’ in his model of the universe?

astronomy

Choices:
- A
- B
- C
- D

Question:
Question: Why did Ptolemy have the planets orbiting Earth on ‘circles upon circles’ in his model of the universe?
 A. To explain why more distant planets take longer to make a circuit through the constellations of the zodiac.
 B. To explain the fact that planets sometimes appear to move westward rather than eastward relative to the stars in our sky.
 C. To explain why the Greeks were unable to detect stellar paralax.
 D. To properly account for the varying distances of the planets from Earth.
Answer:

Context:
The following are multiple choice questions (with answers) about astronomy.

Question: You are pushing a truck along a road. Would it be easier to accelerate this truck on Mars? Why? (Assume there is no friction)
 A. It would be harder since the truck is heavier on Mars.
 B. It would be easier since the truck is lighter on Mars.
 C. It would be harder since the truck is lighter on Mars.
 D. It would be the same no matter where you are.
Answer: D

Question: Where do most short-period comets come from and how do we know?
 A. The Kuiper belt; short period comets tend to be in the plane of the solar system just like the Kuiper belt.
 B. The Kuiper belt; short period comets tend to come from random directions indicating a spherical distribution of comets called the Kuiper belt.
 C. The asteroid belt; short period comets have orbital periods similar to asteroids like Vesta and are found in the plane of the solar system just like the asteroid belt.
 D. The Oort cloud; short period comets tend to be in the plane of the solar system just like the Oort cloud.
Answer: A

Question: Say the pupil of your eye has a diameter of 5 mm and you have a telescope with an aperture of 50 cm. How much more light can the telescope gather than your eye?
 A. 10000 times more
 B. 100 times more
 C. 1000 times more
 D. 10 times more
Answer: A

Question: Why isn't there a planet where the asteroid belt is located?
 A. A planet once formed here but it was broken apart by a catastrophic collision.
 B. There was not enough material in this part of the solar nebula to form a planet.
 C. There was too much rocky material to form a terrestrial planet but not enough gaseous material to form a jovian planet.
 D. Resonance with Jupiter prevented material from collecting together to form a planet.
Answer: D

Question: Why is Mars red?
 A. Because the surface is covered with heavily oxidized ("rusted") minerals.
 B. Because the atmosphere scatters more light at bluer wavelengths transmitting mostly red light.
 C. Because Mars is covered with ancient lava flows which are red in color.
 D. Because flowing water on Mars's surface altered the surface minerals several billion years ago.
Answer: A

Question: Why did Ptolemy have the planets orbiting Earth on ‘circles upon circles’ in his model of the universe?
 A. To explain why more distant planets take longer to make a circuit through the constellations of the zodiac.
 B. To explain the fact that planets sometimes appear to move westward rather than eastward relative to the stars in our sky.
 C. To explain why the Greeks were unable to detect stellar paralax.
 D. To properly account for the varying distances of the planets from Earth.
Answer:


Question: Why did Ptolemy have the planets orbiting Earth on ‘circles upon circles’ in his model of the universe?

astronomy

Choices:
- A
- B
- C
- D

Question:
Question: Why did Ptolemy have the planets orbiting Earth on ‘circles upon circles’ in his model of the universe?
 A. To explain why more distant planets take longer to make a circuit through the constellations of the zodiac.
 B. To explain the fact that planets sometimes appear to move westward rather than eastward relative to the stars in our sky.
 C. To explain why the Greeks were unable to detect stellar paralax.
 D. To properly account for the varying distances of the planets from Earth.
Answer:


Question: Why did Ptolemy have the planets orbiting Earth on ‘circles upon circles’ in his model of the universe?

astronomy

Choices:
- A
- B
- C
- D

Question:
Question: Why did Ptolemy have the planets orbiting Earth on ‘circles upon circles’ in his model of the universe?
 A. To explain why more distant planets take longer to make a circuit through the constellations of the zodiac.
 B. To explain the fact that planets sometimes appear to move westward rather than eastward relative to the stars in our sky.
 C. To explain why the Greeks were unable to detect stellar paralax.
 D. To properly account for the varying distances of the planets from Earth.
Answer:


Question: Why did Ptolemy have the planets orbiting Earth on ‘circles upon circles’ in his model of the universe?

astronomy

Choices:
- A
- B
- C
- D

Question:
Question: Why did Ptolemy have the planets orbiting Earth on ‘circles upon circles’ in his model of the universe?
 A. To explain why more distant planets take longer to make a circuit through the constellations of the zodiac.
 B. To explain the fact that planets sometimes appear to move westward rather than eastward relative to the stars in our sky.
 C. To explain why the Greeks were unable to detect stellar paralax.
 D. To properly account for the varying distances of the planets from Earth.
Answer:


Question: Sunspots are black regions that temporarily appear on the Sun. Their number highly increases every ... years. This period is also called the solar cycle.

astronomy

Choices:
- A
- B
- C
- D

Question:
Question: Sunspots are black regions that temporarily appear on the Sun. Their number highly increases every ... years. This period is also called the solar cycle.
 A. 9
 B. 11
 C. 13
 D. 15
Answer:

Context:
The following are multiple choice questions (with answers) about astronomy.

Question: You are pushing a truck along a road. Would it be easier to accelerate this truck on Mars? Why? (Assume there is no friction)
 A. It would be harder since the truck is heavier on Mars.
 B. It would be easier since the truck is lighter on Mars.
 C. It would be harder since the truck is lighter on Mars.
 D. It would be the same no matter where you are.
Answer: D

Question: Where do most short-period comets come from and how do we know?
 A. The Kuiper belt; short period comets tend to be in the plane of the solar system just like the Kuiper belt.
 B. The Kuiper belt; short period comets tend to come from random directions indicating a spherical distribution of comets called the Kuiper belt.
 C. The asteroid belt; short period comets have orbital periods similar to asteroids like Vesta and are found in the plane of the solar system just like the asteroid belt.
 D. The Oort cloud; short period comets tend to be in the plane of the solar system just like the Oort cloud.
Answer: A

Question: Say the pupil of your eye has a diameter of 5 mm and you have a telescope with an aperture of 50 cm. How much more light can the telescope gather than your eye?
 A. 10000 times more
 B. 100 times more
 C. 1000 times more
 D. 10 times more
Answer: A

Question: Why isn't there a planet where the asteroid belt is located?
 A. A planet once formed here but it was broken apart by a catastrophic collision.
 B. There was not enough material in this part of the solar nebula to form a planet.
 C. There was too much rocky material to form a terrestrial planet but not enough gaseous material to form a jovian planet.
 D. Resonance with Jupiter prevented material from collecting together to form a planet.
Answer: D

Question: Why is Mars red?
 A. Because the surface is covered with heavily oxidized ("rusted") minerals.
 B. Because the atmosphere scatters more light at bluer wavelengths transmitting mostly red light.
 C. Because Mars is covered with ancient lava flows which are red in color.
 D. Because flowing water on Mars's surface altered the surface minerals several billion years ago.
Answer: A

Question: Sunspots are black regions that temporarily appear on the Sun. Their number highly increases every ... years. This period is also called the solar cycle.
 A. 9
 B. 11
 C. 13
 D. 15
Answer:


Question: Sunspots are black regions that temporarily appear on the Sun. Their number highly increases every ... years. This period is also called the solar cycle.

astronomy

Choices:
- A
- B
- C
- D

Question:
Question: Sunspots are black regions that temporarily appear on the Sun. Their number highly increases every ... years. This period is also called the solar cycle.
 A. 9
 B. 11
 C. 13
 D. 15
Answer:


Question: Sunspots are black regions that temporarily appear on the Sun. Their number highly increases every ... years. This period is also called the solar cycle.

astronomy

Choices:
- A
- B
- C
- D

Question:
Question: Sunspots are black regions that temporarily appear on the Sun. Their number highly increases every ... years. This period is also called the solar cycle.
 A. 9
 B. 11
 C. 13
 D. 15
Answer:


Question: Sunspots are black regions that temporarily appear on the Sun. Their number highly increases every ... years. This period is also called the solar cycle.

astronomy

Choices:
- A
- B
- C
- D

Question:
Question: Sunspots are black regions that temporarily appear on the Sun. Their number highly increases every ... years. This period is also called the solar cycle.
 A. 9
 B. 11
 C. 13
 D. 15
Answer:


Question: Which planet(s) in the solar system has/have active plate tectonics?

astronomy

Choices:
- A
- B
- C
- D

Question:
Question: Which planet(s) in the solar system has/have active plate tectonics?
 A. Mars
 B. Venus
 C. Earth
 D. Mars and Earth
Answer:

Context:
The following are multiple choice questions (with answers) about astronomy.

Question: You are pushing a truck along a road. Would it be easier to accelerate this truck on Mars? Why? (Assume there is no friction)
 A. It would be harder since the truck is heavier on Mars.
 B. It would be easier since the truck is lighter on Mars.
 C. It would be harder since the truck is lighter on Mars.
 D. It would be the same no matter where you are.
Answer: D

Question: Where do most short-period comets come from and how do we know?
 A. The Kuiper belt; short period comets tend to be in the plane of the solar system just like the Kuiper belt.
 B. The Kuiper belt; short period comets tend to come from random directions indicating a spherical distribution of comets called the Kuiper belt.
 C. The asteroid belt; short period comets have orbital periods similar to asteroids like Vesta and are found in the plane of the solar system just like the asteroid belt.
 D. The Oort cloud; short period comets tend to be in the plane of the solar system just like the Oort cloud.
Answer: A

Question: Say the pupil of your eye has a diameter of 5 mm and you have a telescope with an aperture of 50 cm. How much more light can the telescope gather than your eye?
 A. 10000 times more
 B. 100 times more
 C. 1000 times more
 D. 10 times more
Answer: A

Question: Why isn't there a planet where the asteroid belt is located?
 A. A planet once formed here but it was broken apart by a catastrophic collision.
 B. There was not enough material in this part of the solar nebula to form a planet.
 C. There was too much rocky material to form a terrestrial planet but not enough gaseous material to form a jovian planet.
 D. Resonance with Jupiter prevented material from collecting together to form a planet.
Answer: D

Question: Why is Mars red?
 A. Because the surface is covered with heavily oxidized ("rusted") minerals.
 B. Because the atmosphere scatters more light at bluer wavelengths transmitting mostly red light.
 C. Because Mars is covered with ancient lava flows which are red in color.
 D. Because flowing water on Mars's surface altered the surface minerals several billion years ago.
Answer: A

Question: Which planet(s) in the solar system has/have active plate tectonics?
 A. Mars
 B. Venus
 C. Earth
 D. Mars and Earth
Answer:


Question: Which planet(s) in the solar system has/have active plate tectonics?

astronomy

Choices:
- A
- B
- C
- D

Question:
Question: Which planet(s) in the solar system has/have active plate tectonics?
 A. Mars
 B. Venus
 C. Earth
 D. Mars and Earth
Answer:


Question: Which planet(s) in the solar system has/have active plate tectonics?

astronomy

Choices:
- A
- B
- C
- D

Question:
Question: Which planet(s) in the solar system has/have active plate tectonics?
 A. Mars
 B. Venus
 C. Earth
 D. Mars and Earth
Answer:


Question: Which planet(s) in the solar system has/have active plate tectonics?

astronomy

Choices:
- A
- B
- C
- D

Question:
Question: Which planet(s) in the solar system has/have active plate tectonics?
 A. Mars
 B. Venus
 C. Earth
 D. Mars and Earth
Answer:


Question: The sky is blue because

astronomy

Choices:
- A
- B
- C
- D

Question:
Question: The sky is blue because
 A. the Sun mainly emits blue light.
 B. the atmosphere absorbs mostly blue light.
 C. molecules scatter red light more effectively than blue light.
 D. molecules scatter blue light more effectively than red light.
Answer:

Context:
The following are multiple choice questions (with answers) about astronomy.

Question: You are pushing a truck along a road. Would it be easier to accelerate this truck on Mars? Why? (Assume there is no friction)
 A. It would be harder since the truck is heavier on Mars.
 B. It would be easier since the truck is lighter on Mars.
 C. It would be harder since the truck is lighter on Mars.
 D. It would be the same no matter where you are.
Answer: D

Question: Where do most short-period comets come from and how do we know?
 A. The Kuiper belt; short period comets tend to be in the plane of the solar system just like the Kuiper belt.
 B. The Kuiper belt; short period comets tend to come from random directions indicating a spherical distribution of comets called the Kuiper belt.
 C. The asteroid belt; short period comets have orbital periods similar to asteroids like Vesta and are found in the plane of the solar system just like the asteroid belt.
 D. The Oort cloud; short period comets tend to be in the plane of the solar system just like the Oort cloud.
Answer: A

Question: Say the pupil of your eye has a diameter of 5 mm and you have a telescope with an aperture of 50 cm. How much more light can the telescope gather than your eye?
 A. 10000 times more
 B. 100 times more
 C. 1000 times more
 D. 10 times more
Answer: A

Question: Why isn't there a planet where the asteroid belt is located?
 A. A planet once formed here but it was broken apart by a catastrophic collision.
 B. There was not enough material in this part of the solar nebula to form a planet.
 C. There was too much rocky material to form a terrestrial planet but not enough gaseous material to form a jovian planet.
 D. Resonance with Jupiter prevented material from collecting together to form a planet.
Answer: D

Question: Why is Mars red?
 A. Because the surface is covered with heavily oxidized ("rusted") minerals.
 B. Because the atmosphere scatters more light at bluer wavelengths transmitting mostly red light.
 C. Because Mars is covered with ancient lava flows which are red in color.
 D. Because flowing water on Mars's surface altered the surface minerals several billion years ago.
Answer: A

Question: The sky is blue because
 A. the Sun mainly emits blue light.
 B. the atmosphere absorbs mostly blue light.
 C. molecules scatter red light more effectively than blue light.
 D. molecules scatter blue light more effectively than red light.
Answer:


Question: The sky is blue because

astronomy

Choices:
- A
- B
- C
- D

Question:
Question: The sky is blue because
 A. the Sun mainly emits blue light.
 B. the atmosphere absorbs mostly blue light.
 C. molecules scatter red light more effectively than blue light.
 D. molecules scatter blue light more effectively than red light.
Answer:


Question: The sky is blue because

astronomy

Choices:
- A
- B
- C
- D

Question:
Question: The sky is blue because
 A. the Sun mainly emits blue light.
 B. the atmosphere absorbs mostly blue light.
 C. molecules scatter red light more effectively than blue light.
 D. molecules scatter blue light more effectively than red light.
Answer:


Question: The sky is blue because

astronomy

Choices:
- A
- B
- C
- D

Question:
Question: The sky is blue because
 A. the Sun mainly emits blue light.
 B. the atmosphere absorbs mostly blue light.
 C. molecules scatter red light more effectively than blue light.
 D. molecules scatter blue light more effectively than red light.
Answer:


Question: What are the conditions necessary for a terrestrial planet to have a strong magnetic field?

astronomy

Choices:
- A
- B
- C
- D

Question:
Question: What are the conditions necessary for a terrestrial planet to have a strong magnetic field?
 A. fast rotation only
 B. a rocky mantle only
 C. a molten metallic core only
 D. both a molten metallic core and reasonably fast rotation
Answer:

Context:
The following are multiple choice questions (with answers) about astronomy.

Question: You are pushing a truck along a road. Would it be easier to accelerate this truck on Mars? Why? (Assume there is no friction)
 A. It would be harder since the truck is heavier on Mars.
 B. It would be easier since the truck is lighter on Mars.
 C. It would be harder since the truck is lighter on Mars.
 D. It would be the same no matter where you are.
Answer: D

Question: Where do most short-period comets come from and how do we know?
 A. The Kuiper belt; short period comets tend to be in the plane of the solar system just like the Kuiper belt.
 B. The Kuiper belt; short period comets tend to come from random directions indicating a spherical distribution of comets called the Kuiper belt.
 C. The asteroid belt; short period comets have orbital periods similar to asteroids like Vesta and are found in the plane of the solar system just like the asteroid belt.
 D. The Oort cloud; short period comets tend to be in the plane of the solar system just like the Oort cloud.
Answer: A

Question: Say the pupil of your eye has a diameter of 5 mm and you have a telescope with an aperture of 50 cm. How much more light can the telescope gather than your eye?
 A. 10000 times more
 B. 100 times more
 C. 1000 times more
 D. 10 times more
Answer: A

Question: Why isn't there a planet where the asteroid belt is located?
 A. A planet once formed here but it was broken apart by a catastrophic collision.
 B. There was not enough material in this part of the solar nebula to form a planet.
 C. There was too much rocky material to form a terrestrial planet but not enough gaseous material to form a jovian planet.
 D. Resonance with Jupiter prevented material from collecting together to form a planet.
Answer: D

Question: Why is Mars red?
 A. Because the surface is covered with heavily oxidized ("rusted") minerals.
 B. Because the atmosphere scatters more light at bluer wavelengths transmitting mostly red light.
 C. Because Mars is covered with ancient lava flows which are red in color.
 D. Because flowing water on Mars's surface altered the surface minerals several billion years ago.
Answer: A

Question: What are the conditions necessary for a terrestrial planet to have a strong magnetic field?
 A. fast rotation only
 B. a rocky mantle only
 C. a molten metallic core only
 D. both a molten metallic core and reasonably fast rotation
Answer:


Question: What are the conditions necessary for a terrestrial planet to have a strong magnetic field?

astronomy

Choices:
- A
- B
- C
- D

Question:
Question: What are the conditions necessary for a terrestrial planet to have a strong magnetic field?
 A. fast rotation only
 B. a rocky mantle only
 C. a molten metallic core only
 D. both a molten metallic core and reasonably fast rotation
Answer:


Question: What are the conditions necessary for a terrestrial planet to have a strong magnetic field?

astronomy

Choices:
- A
- B
- C
- D

Question:
Question: What are the conditions necessary for a terrestrial planet to have a strong magnetic field?
 A. fast rotation only
 B. a rocky mantle only
 C. a molten metallic core only
 D. both a molten metallic core and reasonably fast rotation
Answer:


Question: What are the conditions necessary for a terrestrial planet to have a strong magnetic field?

astronomy

Choices:
- A
- B
- C
- D

Question:
Question: What are the conditions necessary for a terrestrial planet to have a strong magnetic field?
 A. fast rotation only
 B. a rocky mantle only
 C. a molten metallic core only
 D. both a molten metallic core and reasonably fast rotation
Answer:


Question: Where are the Trojan asteroids located?

astronomy

Choices:
- A
- B
- C
- D

Question:
Question: Where are the Trojan asteroids located?
 A. in the center of the asteroid belt
 B. on orbits that cross Earth's orbit
 C. surrounding Jupiter
 D. along Jupiter's orbit 60° ahead of and behind Jupiter
Answer:

Context:
The following are multiple choice questions (with answers) about astronomy.

Question: You are pushing a truck along a road. Would it be easier to accelerate this truck on Mars? Why? (Assume there is no friction)
 A. It would be harder since the truck is heavier on Mars.
 B. It would be easier since the truck is lighter on Mars.
 C. It would be harder since the truck is lighter on Mars.
 D. It would be the same no matter where you are.
Answer: D

Question: Where do most short-period comets come from and how do we know?
 A. The Kuiper belt; short period comets tend to be in the plane of the solar system just like the Kuiper belt.
 B. The Kuiper belt; short period comets tend to come from random directions indicating a spherical distribution of comets called the Kuiper belt.
 C. The asteroid belt; short period comets have orbital periods similar to asteroids like Vesta and are found in the plane of the solar system just like the asteroid belt.
 D. The Oort cloud; short period comets tend to be in the plane of the solar system just like the Oort cloud.
Answer: A

Question: Say the pupil of your eye has a diameter of 5 mm and you have a telescope with an aperture of 50 cm. How much more light can the telescope gather than your eye?
 A. 10000 times more
 B. 100 times more
 C. 1000 times more
 D. 10 times more
Answer: A

Question: Why isn't there a planet where the asteroid belt is located?
 A. A planet once formed here but it was broken apart by a catastrophic collision.
 B. There was not enough material in this part of the solar nebula to form a planet.
 C. There was too much rocky material to form a terrestrial planet but not enough gaseous material to form a jovian planet.
 D. Resonance with Jupiter prevented material from collecting together to form a planet.
Answer: D

Question: Why is Mars red?
 A. Because the surface is covered with heavily oxidized ("rusted") minerals.
 B. Because the atmosphere scatters more light at bluer wavelengths transmitting mostly red light.
 C. Because Mars is covered with ancient lava flows which are red in color.
 D. Because flowing water on Mars's surface altered the surface minerals several billion years ago.
Answer: A

Question: Where are the Trojan asteroids located?
 A. in the center of the asteroid belt
 B. on orbits that cross Earth's orbit
 C. surrounding Jupiter
 D. along Jupiter's orbit 60° ahead of and behind Jupiter
Answer:


Question: Where are the Trojan asteroids located?

astronomy

Choices:
- A
- B
- C
- D

Question:
Question: Where are the Trojan asteroids located?
 A. in the center of the asteroid belt
 B. on orbits that cross Earth's orbit
 C. surrounding Jupiter
 D. along Jupiter's orbit 60° ahead of and behind Jupiter
Answer:


Question: Where are the Trojan asteroids located?

astronomy

Choices:
- A
- B
- C
- D

Question:
Question: Where are the Trojan asteroids located?
 A. in the center of the asteroid belt
 B. on orbits that cross Earth's orbit
 C. surrounding Jupiter
 D. along Jupiter's orbit 60° ahead of and behind Jupiter
Answer:


Question: Where are the Trojan asteroids located?

astronomy

Choices:
- A
- B
- C
- D

Question:
Question: Where are the Trojan asteroids located?
 A. in the center of the asteroid belt
 B. on orbits that cross Earth's orbit
 C. surrounding Jupiter
 D. along Jupiter's orbit 60° ahead of and behind Jupiter
Answer:


Question: Which of the following lists the ingredients of the solar nebula from highest to lowest percentage of mass in the nebula?

astronomy

Choices:
- A
- B
- C
- D

Question:
Question: Which of the following lists the ingredients of the solar nebula from highest to lowest percentage of mass in the nebula?
 A. hydrogen compounds (H2O CH4 NH3) light gases (H He) metals rocks
 B. hydrogen compounds (H2O CH4 NH3) light gases (H He) rocks metals
 C. light gases (H He) hydrogen compounds (H2O CH4 NH3) metals rocks
 D. light gases (H He) hydrogen compounds (H2O CH4 NH3) rocks metals
Answer:

Context:
The following are multiple choice questions (with answers) about astronomy.

Question: You are pushing a truck along a road. Would it be easier to accelerate this truck on Mars? Why? (Assume there is no friction)
 A. It would be harder since the truck is heavier on Mars.
 B. It would be easier since the truck is lighter on Mars.
 C. It would be harder since the truck is lighter on Mars.
 D. It would be the same no matter where you are.
Answer: D

Question: Where do most short-period comets come from and how do we know?
 A. The Kuiper belt; short period comets tend to be in the plane of the solar system just like the Kuiper belt.
 B. The Kuiper belt; short period comets tend to come from random directions indicating a spherical distribution of comets called the Kuiper belt.
 C. The asteroid belt; short period comets have orbital periods similar to asteroids like Vesta and are found in the plane of the solar system just like the asteroid belt.
 D. The Oort cloud; short period comets tend to be in the plane of the solar system just like the Oort cloud.
Answer: A

Question: Say the pupil of your eye has a diameter of 5 mm and you have a telescope with an aperture of 50 cm. How much more light can the telescope gather than your eye?
 A. 10000 times more
 B. 100 times more
 C. 1000 times more
 D. 10 times more
Answer: A

Question: Why isn't there a planet where the asteroid belt is located?
 A. A planet once formed here but it was broken apart by a catastrophic collision.
 B. There was not enough material in this part of the solar nebula to form a planet.
 C. There was too much rocky material to form a terrestrial planet but not enough gaseous material to form a jovian planet.
 D. Resonance with Jupiter prevented material from collecting together to form a planet.
Answer: D

Question: Why is Mars red?
 A. Because the surface is covered with heavily oxidized ("rusted") minerals.
 B. Because the atmosphere scatters more light at bluer wavelengths transmitting mostly red light.
 C. Because Mars is covered with ancient lava flows which are red in color.
 D. Because flowing water on Mars's surface altered the surface minerals several billion years ago.
Answer: A

Question: Which of the following lists the ingredients of the solar nebula from highest to lowest percentage of mass in the nebula?
 A. hydrogen compounds (H2O CH4 NH3) light gases (H He) metals rocks
 B. hydrogen compounds (H2O CH4 NH3) light gases (H He) rocks metals
 C. light gases (H He) hydrogen compounds (H2O CH4 NH3) metals rocks
 D. light gases (H He) hydrogen compounds (H2O CH4 NH3) rocks metals
Answer:


Question: Which of the following lists the ingredients of the solar nebula from highest to lowest percentage of mass in the nebula?

astronomy

Choices:
- A
- B
- C
- D

Question:
Question: Which of the following lists the ingredients of the solar nebula from highest to lowest percentage of mass in the nebula?
 A. hydrogen compounds (H2O CH4 NH3) light gases (H He) metals rocks
 B. hydrogen compounds (H2O CH4 NH3) light gases (H He) rocks metals
 C. light gases (H He) hydrogen compounds (H2O CH4 NH3) metals rocks
 D. light gases (H He) hydrogen compounds (H2O CH4 NH3) rocks metals
Answer:


Question: Which of the following lists the ingredients of the solar nebula from highest to lowest percentage of mass in the nebula?

astronomy

Choices:
- A
- B
- C
- D

Question:
Question: Which of the following lists the ingredients of the solar nebula from highest to lowest percentage of mass in the nebula?
 A. hydrogen compounds (H2O CH4 NH3) light gases (H He) metals rocks
 B. hydrogen compounds (H2O CH4 NH3) light gases (H He) rocks metals
 C. light gases (H He) hydrogen compounds (H2O CH4 NH3) metals rocks
 D. light gases (H He) hydrogen compounds (H2O CH4 NH3) rocks metals
Answer:


Question: Which of the following lists the ingredients of the solar nebula from highest to lowest percentage of mass in the nebula?

astronomy

Choices:
- A
- B
- C
- D

Question:
Question: Which of the following lists the ingredients of the solar nebula from highest to lowest percentage of mass in the nebula?
 A. hydrogen compounds (H2O CH4 NH3) light gases (H He) metals rocks
 B. hydrogen compounds (H2O CH4 NH3) light gases (H He) rocks metals
 C. light gases (H He) hydrogen compounds (H2O CH4 NH3) metals rocks
 D. light gases (H He) hydrogen compounds (H2O CH4 NH3) rocks metals
Answer:


Question: When was the telescope invented by Galileo?

astronomy

Choices:
- A
- B
- C
- D

Question:
Question: When was the telescope invented by Galileo?
 A. 1409
 B. 1509
 C. 1609
 D. 1709
Answer:

Context:
The following are multiple choice questions (with answers) about astronomy.

Question: You are pushing a truck along a road. Would it be easier to accelerate this truck on Mars? Why? (Assume there is no friction)
 A. It would be harder since the truck is heavier on Mars.
 B. It would be easier since the truck is lighter on Mars.
 C. It would be harder since the truck is lighter on Mars.
 D. It would be the same no matter where you are.
Answer: D

Question: Where do most short-period comets come from and how do we know?
 A. The Kuiper belt; short period comets tend to be in the plane of the solar system just like the Kuiper belt.
 B. The Kuiper belt; short period comets tend to come from random directions indicating a spherical distribution of comets called the Kuiper belt.
 C. The asteroid belt; short period comets have orbital periods similar to asteroids like Vesta and are found in the plane of the solar system just like the asteroid belt.
 D. The Oort cloud; short period comets tend to be in the plane of the solar system just like the Oort cloud.
Answer: A

Question: Say the pupil of your eye has a diameter of 5 mm and you have a telescope with an aperture of 50 cm. How much more light can the telescope gather than your eye?
 A. 10000 times more
 B. 100 times more
 C. 1000 times more
 D. 10 times more
Answer: A

Question: Why isn't there a planet where the asteroid belt is located?
 A. A planet once formed here but it was broken apart by a catastrophic collision.
 B. There was not enough material in this part of the solar nebula to form a planet.
 C. There was too much rocky material to form a terrestrial planet but not enough gaseous material to form a jovian planet.
 D. Resonance with Jupiter prevented material from collecting together to form a planet.
Answer: D

Question: Why is Mars red?
 A. Because the surface is covered with heavily oxidized ("rusted") minerals.
 B. Because the atmosphere scatters more light at bluer wavelengths transmitting mostly red light.
 C. Because Mars is covered with ancient lava flows which are red in color.
 D. Because flowing water on Mars's surface altered the surface minerals several billion years ago.
Answer: A

Question: When was the telescope invented by Galileo?
 A. 1409
 B. 1509
 C. 1609
 D. 1709
Answer:


Question: When was the telescope invented by Galileo?

astronomy

Choices:
- A
- B
- C
- D

Question:
Question: When was the telescope invented by Galileo?
 A. 1409
 B. 1509
 C. 1609
 D. 1709
Answer:


Question: When was the telescope invented by Galileo?

astronomy

Choices:
- A
- B
- C
- D

Question:
Question: When was the telescope invented by Galileo?
 A. 1409
 B. 1509
 C. 1609
 D. 1709
Answer:


Question: When was the telescope invented by Galileo?

astronomy

Choices:
- A
- B
- C
- D

Question:
Question: When was the telescope invented by Galileo?
 A. 1409
 B. 1509
 C. 1609
 D. 1709
Answer:


Question: Mars has an atmosphere that is almost entirely carbon dioxide.Why isn't there a strong greenhouse effect keeping the planet warm?

astronomy

Choices:
- A
- B
- C
- D

Question:
Question: Mars has an atmosphere that is almost entirely carbon dioxide.Why isn't there a strong greenhouse effect keeping the planet warm?
 A. Mars does not have enough internal heat to drive the greenhouse effect
 B. Mars is too far from the sun for the greenhouse effect to work
 C. the greenhouse effect requires an ozone layer which Mars does not have
 D. the atmosphere on Mars is too thin to trap a significant amount of heat
Answer:

Context:
The following are multiple choice questions (with answers) about astronomy.

Question: You are pushing a truck along a road. Would it be easier to accelerate this truck on Mars? Why? (Assume there is no friction)
 A. It would be harder since the truck is heavier on Mars.
 B. It would be easier since the truck is lighter on Mars.
 C. It would be harder since the truck is lighter on Mars.
 D. It would be the same no matter where you are.
Answer: D

Question: Where do most short-period comets come from and how do we know?
 A. The Kuiper belt; short period comets tend to be in the plane of the solar system just like the Kuiper belt.
 B. The Kuiper belt; short period comets tend to come from random directions indicating a spherical distribution of comets called the Kuiper belt.
 C. The asteroid belt; short period comets have orbital periods similar to asteroids like Vesta and are found in the plane of the solar system just like the asteroid belt.
 D. The Oort cloud; short period comets tend to be in the plane of the solar system just like the Oort cloud.
Answer: A

Question: Say the pupil of your eye has a diameter of 5 mm and you have a telescope with an aperture of 50 cm. How much more light can the telescope gather than your eye?
 A. 10000 times more
 B. 100 times more
 C. 1000 times more
 D. 10 times more
Answer: A

Question: Why isn't there a planet where the asteroid belt is located?
 A. A planet once formed here but it was broken apart by a catastrophic collision.
 B. There was not enough material in this part of the solar nebula to form a planet.
 C. There was too much rocky material to form a terrestrial planet but not enough gaseous material to form a jovian planet.
 D. Resonance with Jupiter prevented material from collecting together to form a planet.
Answer: D

Question: Why is Mars red?
 A. Because the surface is covered with heavily oxidized ("rusted") minerals.
 B. Because the atmosphere scatters more light at bluer wavelengths transmitting mostly red light.
 C. Because Mars is covered with ancient lava flows which are red in color.
 D. Because flowing water on Mars's surface altered the surface minerals several billion years ago.
Answer: A

Question: Mars has an atmosphere that is almost entirely carbon dioxide.Why isn't there a strong greenhouse effect keeping the planet warm?
 A. Mars does not have enough internal heat to drive the greenhouse effect
 B. Mars is too far from the sun for the greenhouse effect to work
 C. the greenhouse effect requires an ozone layer which Mars does not have
 D. the atmosphere on Mars is too thin to trap a significant amount of heat
Answer:


Question: Mars has an atmosphere that is almost entirely carbon dioxide.Why isn't there a strong greenhouse effect keeping the planet warm?

astronomy

Choices:
- A
- B
- C
- D

Question:
Question: Mars has an atmosphere that is almost entirely carbon dioxide.Why isn't there a strong greenhouse effect keeping the planet warm?
 A. Mars does not have enough internal heat to drive the greenhouse effect
 B. Mars is too far from the sun for the greenhouse effect to work
 C. the greenhouse effect requires an ozone layer which Mars does not have
 D. the atmosphere on Mars is too thin to trap a significant amount of heat
Answer:


Question: Mars has an atmosphere that is almost entirely carbon dioxide.Why isn't there a strong greenhouse effect keeping the planet warm?

astronomy

Choices:
- A
- B
- C
- D

Question:
Question: Mars has an atmosphere that is almost entirely carbon dioxide.Why isn't there a strong greenhouse effect keeping the planet warm?
 A. Mars does not have enough internal heat to drive the greenhouse effect
 B. Mars is too far from the sun for the greenhouse effect to work
 C. the greenhouse effect requires an ozone layer which Mars does not have
 D. the atmosphere on Mars is too thin to trap a significant amount of heat
Answer:


Question: Mars has an atmosphere that is almost entirely carbon dioxide.Why isn't there a strong greenhouse effect keeping the planet warm?

astronomy

Choices:
- A
- B
- C
- D

Question:
Question: Mars has an atmosphere that is almost entirely carbon dioxide.Why isn't there a strong greenhouse effect keeping the planet warm?
 A. Mars does not have enough internal heat to drive the greenhouse effect
 B. Mars is too far from the sun for the greenhouse effect to work
 C. the greenhouse effect requires an ozone layer which Mars does not have
 D. the atmosphere on Mars is too thin to trap a significant amount of heat
Answer:


Question: You've made a scientific theory that there is a force between all objects. This forcce has both a dark and light side. When will your theory be proven correct?

astronomy

Choices:
- A
- B
- C
- D

Question:
Question: You've made a scientific theory that there is a force between all objects. This forcce has both a dark and light side. When will your theory be proven correct?
 A. When you and many other Jedi have tested the hypothesis
 B. Jean-Luc Skywalker drops Yoda during the day and he falls to the ground proving your theory.
 C. You can never prove your theory to be correct only "yet to be proven wrong."
 D. After you've repeated your experiment many times
Answer:

Context:
The following are multiple choice questions (with answers) about astronomy.

Question: You are pushing a truck along a road. Would it be easier to accelerate this truck on Mars? Why? (Assume there is no friction)
 A. It would be harder since the truck is heavier on Mars.
 B. It would be easier since the truck is lighter on Mars.
 C. It would be harder since the truck is lighter on Mars.
 D. It would be the same no matter where you are.
Answer: D

Question: Where do most short-period comets come from and how do we know?
 A. The Kuiper belt; short period comets tend to be in the plane of the solar system just like the Kuiper belt.
 B. The Kuiper belt; short period comets tend to come from random directions indicating a spherical distribution of comets called the Kuiper belt.
 C. The asteroid belt; short period comets have orbital periods similar to asteroids like Vesta and are found in the plane of the solar system just like the asteroid belt.
 D. The Oort cloud; short period comets tend to be in the plane of the solar system just like the Oort cloud.
Answer: A

Question: Say the pupil of your eye has a diameter of 5 mm and you have a telescope with an aperture of 50 cm. How much more light can the telescope gather than your eye?
 A. 10000 times more
 B. 100 times more
 C. 1000 times more
 D. 10 times more
Answer: A

Question: Why isn't there a planet where the asteroid belt is located?
 A. A planet once formed here but it was broken apart by a catastrophic collision.
 B. There was not enough material in this part of the solar nebula to form a planet.
 C. There was too much rocky material to form a terrestrial planet but not enough gaseous material to form a jovian planet.
 D. Resonance with Jupiter prevented material from collecting together to form a planet.
Answer: D

Question: Why is Mars red?
 A. Because the surface is covered with heavily oxidized ("rusted") minerals.
 B. Because the atmosphere scatters more light at bluer wavelengths transmitting mostly red light.
 C. Because Mars is covered with ancient lava flows which are red in color.
 D. Because flowing water on Mars's surface altered the surface minerals several billion years ago.
Answer: A

Question: You've made a scientific theory that there is a force between all objects. This forcce has both a dark and light side. When will your theory be proven correct?
 A. When you and many other Jedi have tested the hypothesis
 B. Jean-Luc Skywalker drops Yoda during the day and he falls to the ground proving your theory.
 C. You can never prove your theory to be correct only "yet to be proven wrong."
 D. After you've repeated your experiment many times
Answer:


Question: You've made a scientific theory that there is a force between all objects. This forcce has both a dark and light side. When will your theory be proven correct?

astronomy

Choices:
- A
- B
- C
- D

Question:
Question: You've made a scientific theory that there is a force between all objects. This forcce has both a dark and light side. When will your theory be proven correct?
 A. When you and many other Jedi have tested the hypothesis
 B. Jean-Luc Skywalker drops Yoda during the day and he falls to the ground proving your theory.
 C. You can never prove your theory to be correct only "yet to be proven wrong."
 D. After you've repeated your experiment many times
Answer:


Question: You've made a scientific theory that there is a force between all objects. This forcce has both a dark and light side. When will your theory be proven correct?

astronomy

Choices:
- A
- B
- C
- D

Question:
Question: You've made a scientific theory that there is a force between all objects. This forcce has both a dark and light side. When will your theory be proven correct?
 A. When you and many other Jedi have tested the hypothesis
 B. Jean-Luc Skywalker drops Yoda during the day and he falls to the ground proving your theory.
 C. You can never prove your theory to be correct only "yet to be proven wrong."
 D. After you've repeated your experiment many times
Answer:


Question: You've made a scientific theory that there is a force between all objects. This forcce has both a dark and light side. When will your theory be proven correct?

astronomy

Choices:
- A
- B
- C
- D

Question:
Question: You've made a scientific theory that there is a force between all objects. This forcce has both a dark and light side. When will your theory be proven correct?
 A. When you and many other Jedi have tested the hypothesis
 B. Jean-Luc Skywalker drops Yoda during the day and he falls to the ground proving your theory.
 C. You can never prove your theory to be correct only "yet to be proven wrong."
 D. After you've repeated your experiment many times
Answer:


Question: Why do Uranus and Neptune have blue methane clouds but Jupiter and Saturn do not?

astronomy

Choices:
- A
- B
- C
- D

Question:
Question: Why do Uranus and Neptune have blue methane clouds but Jupiter and Saturn do not?
 A. Methane does not condense into ice in the warmer atmospheric temperatures of Jupiter and Saturn.
 B. Methane did not exist in the solar nebula at the radii of Jupiter and Saturn when the planets formed.
 C. The relatively slow rotation of Uranus and Neptune allows methane to migrate to higher levels in the atmosphere and condense into clouds.
 D. Methane reacts with the abundant ammonia clouds in Jupiter and Saturn and is removed from the atmosphere.
Answer:

Context:
The following are multiple choice questions (with answers) about astronomy.

Question: You are pushing a truck along a road. Would it be easier to accelerate this truck on Mars? Why? (Assume there is no friction)
 A. It would be harder since the truck is heavier on Mars.
 B. It would be easier since the truck is lighter on Mars.
 C. It would be harder since the truck is lighter on Mars.
 D. It would be the same no matter where you are.
Answer: D

Question: Where do most short-period comets come from and how do we know?
 A. The Kuiper belt; short period comets tend to be in the plane of the solar system just like the Kuiper belt.
 B. The Kuiper belt; short period comets tend to come from random directions indicating a spherical distribution of comets called the Kuiper belt.
 C. The asteroid belt; short period comets have orbital periods similar to asteroids like Vesta and are found in the plane of the solar system just like the asteroid belt.
 D. The Oort cloud; short period comets tend to be in the plane of the solar system just like the Oort cloud.
Answer: A

Question: Say the pupil of your eye has a diameter of 5 mm and you have a telescope with an aperture of 50 cm. How much more light can the telescope gather than your eye?
 A. 10000 times more
 B. 100 times more
 C. 1000 times more
 D. 10 times more
Answer: A

Question: Why isn't there a planet where the asteroid belt is located?
 A. A planet once formed here but it was broken apart by a catastrophic collision.
 B. There was not enough material in this part of the solar nebula to form a planet.
 C. There was too much rocky material to form a terrestrial planet but not enough gaseous material to form a jovian planet.
 D. Resonance with Jupiter prevented material from collecting together to form a planet.
Answer: D

Question: Why is Mars red?
 A. Because the surface is covered with heavily oxidized ("rusted") minerals.
 B. Because the atmosphere scatters more light at bluer wavelengths transmitting mostly red light.
 C. Because Mars is covered with ancient lava flows which are red in color.
 D. Because flowing water on Mars's surface altered the surface minerals several billion years ago.
Answer: A

Question: Why do Uranus and Neptune have blue methane clouds but Jupiter and Saturn do not?
 A. Methane does not condense into ice in the warmer atmospheric temperatures of Jupiter and Saturn.
 B. Methane did not exist in the solar nebula at the radii of Jupiter and Saturn when the planets formed.
 C. The relatively slow rotation of Uranus and Neptune allows methane to migrate to higher levels in the atmosphere and condense into clouds.
 D. Methane reacts with the abundant ammonia clouds in Jupiter and Saturn and is removed from the atmosphere.
Answer:


Question: Why do Uranus and Neptune have blue methane clouds but Jupiter and Saturn do not?

astronomy

Choices:
- A
- B
- C
- D

Question:
Question: Why do Uranus and Neptune have blue methane clouds but Jupiter and Saturn do not?
 A. Methane does not condense into ice in the warmer atmospheric temperatures of Jupiter and Saturn.
 B. Methane did not exist in the solar nebula at the radii of Jupiter and Saturn when the planets formed.
 C. The relatively slow rotation of Uranus and Neptune allows methane to migrate to higher levels in the atmosphere and condense into clouds.
 D. Methane reacts with the abundant ammonia clouds in Jupiter and Saturn and is removed from the atmosphere.
Answer:


Question: Why do Uranus and Neptune have blue methane clouds but Jupiter and Saturn do not?

astronomy

Choices:
- A
- B
- C
- D

Question:
Question: Why do Uranus and Neptune have blue methane clouds but Jupiter and Saturn do not?
 A. Methane does not condense into ice in the warmer atmospheric temperatures of Jupiter and Saturn.
 B. Methane did not exist in the solar nebula at the radii of Jupiter and Saturn when the planets formed.
 C. The relatively slow rotation of Uranus and Neptune allows methane to migrate to higher levels in the atmosphere and condense into clouds.
 D. Methane reacts with the abundant ammonia clouds in Jupiter and Saturn and is removed from the atmosphere.
Answer:


Question: Why do Uranus and Neptune have blue methane clouds but Jupiter and Saturn do not?

astronomy

Choices:
- A
- B
- C
- D

Question:
Question: Why do Uranus and Neptune have blue methane clouds but Jupiter and Saturn do not?
 A. Methane does not condense into ice in the warmer atmospheric temperatures of Jupiter and Saturn.
 B. Methane did not exist in the solar nebula at the radii of Jupiter and Saturn when the planets formed.
 C. The relatively slow rotation of Uranus and Neptune allows methane to migrate to higher levels in the atmosphere and condense into clouds.
 D. Methane reacts with the abundant ammonia clouds in Jupiter and Saturn and is removed from the atmosphere.
Answer:


Question: All of the following have been cited as evidence for the Giant Impact Hypothesis except:

astronomy

Choices:
- A
- B
- C
- D

Question:
Question: All of the following have been cited as evidence for the Giant Impact Hypothesis except:
 A. The relative size of the Moon to the size of Earth is large compared to most planets and their moon.
 B. Most rocks on the Moon’s surface are older than those on the Earth’s surface.
 C. The Moon has a much smaller iron core than the Earth even considering its size.
 D. The Moon was once entirely molten.
Answer:

Context:
The following are multiple choice questions (with answers) about astronomy.

Question: You are pushing a truck along a road. Would it be easier to accelerate this truck on Mars? Why? (Assume there is no friction)
 A. It would be harder since the truck is heavier on Mars.
 B. It would be easier since the truck is lighter on Mars.
 C. It would be harder since the truck is lighter on Mars.
 D. It would be the same no matter where you are.
Answer: D

Question: Where do most short-period comets come from and how do we know?
 A. The Kuiper belt; short period comets tend to be in the plane of the solar system just like the Kuiper belt.
 B. The Kuiper belt; short period comets tend to come from random directions indicating a spherical distribution of comets called the Kuiper belt.
 C. The asteroid belt; short period comets have orbital periods similar to asteroids like Vesta and are found in the plane of the solar system just like the asteroid belt.
 D. The Oort cloud; short period comets tend to be in the plane of the solar system just like the Oort cloud.
Answer: A

Question: Say the pupil of your eye has a diameter of 5 mm and you have a telescope with an aperture of 50 cm. How much more light can the telescope gather than your eye?
 A. 10000 times more
 B. 100 times more
 C. 1000 times more
 D. 10 times more
Answer: A

Question: Why isn't there a planet where the asteroid belt is located?
 A. A planet once formed here but it was broken apart by a catastrophic collision.
 B. There was not enough material in this part of the solar nebula to form a planet.
 C. There was too much rocky material to form a terrestrial planet but not enough gaseous material to form a jovian planet.
 D. Resonance with Jupiter prevented material from collecting together to form a planet.
Answer: D

Question: Why is Mars red?
 A. Because the surface is covered with heavily oxidized ("rusted") minerals.
 B. Because the atmosphere scatters more light at bluer wavelengths transmitting mostly red light.
 C. Because Mars is covered with ancient lava flows which are red in color.
 D. Because flowing water on Mars's surface altered the surface minerals several billion years ago.
Answer: A

Question: All of the following have been cited as evidence for the Giant Impact Hypothesis except:
 A. The relative size of the Moon to the size of Earth is large compared to most planets and their moon.
 B. Most rocks on the Moon’s surface are older than those on the Earth’s surface.
 C. The Moon has a much smaller iron core than the Earth even considering its size.
 D. The Moon was once entirely molten.
Answer:


Question: All of the following have been cited as evidence for the Giant Impact Hypothesis except:

astronomy

Choices:
- A
- B
- C
- D

Question:
Question: All of the following have been cited as evidence for the Giant Impact Hypothesis except:
 A. The relative size of the Moon to the size of Earth is large compared to most planets and their moon.
 B. Most rocks on the Moon’s surface are older than those on the Earth’s surface.
 C. The Moon has a much smaller iron core than the Earth even considering its size.
 D. The Moon was once entirely molten.
Answer:


Question: All of the following have been cited as evidence for the Giant Impact Hypothesis except:

astronomy

Choices:
- A
- B
- C
- D

Question:
Question: All of the following have been cited as evidence for the Giant Impact Hypothesis except:
 A. The relative size of the Moon to the size of Earth is large compared to most planets and their moon.
 B. Most rocks on the Moon’s surface are older than those on the Earth’s surface.
 C. The Moon has a much smaller iron core than the Earth even considering its size.
 D. The Moon was once entirely molten.
Answer:


Question: All of the following have been cited as evidence for the Giant Impact Hypothesis except:

astronomy

Choices:
- A
- B
- C
- D

Question:
Question: All of the following have been cited as evidence for the Giant Impact Hypothesis except:
 A. The relative size of the Moon to the size of Earth is large compared to most planets and their moon.
 B. Most rocks on the Moon’s surface are older than those on the Earth’s surface.
 C. The Moon has a much smaller iron core than the Earth even considering its size.
 D. The Moon was once entirely molten.
Answer:


Question: Why do scientists think Mars was once warmer and wetter?

astronomy

Choices:
- A
- B
- C
- D

Question:
Question: Why do scientists think Mars was once warmer and wetter?
 A. Mars shows evidence of significant volcanism which implies that the climate was once warmer and therefore wetter
 B. early observations showed what appeared to be changing vegetation patterns and canals indicating the presence of water
 C. there are many geologic features on Mars that are difficult to explain unless liquid water was once stable at the surface
 D. all planets tend to begin with warm wet climates and gradually become cold and dry with smaller planets cooling faster than larger planets
Answer:

Context:
The following are multiple choice questions (with answers) about astronomy.

Question: You are pushing a truck along a road. Would it be easier to accelerate this truck on Mars? Why? (Assume there is no friction)
 A. It would be harder since the truck is heavier on Mars.
 B. It would be easier since the truck is lighter on Mars.
 C. It would be harder since the truck is lighter on Mars.
 D. It would be the same no matter where you are.
Answer: D

Question: Where do most short-period comets come from and how do we know?
 A. The Kuiper belt; short period comets tend to be in the plane of the solar system just like the Kuiper belt.
 B. The Kuiper belt; short period comets tend to come from random directions indicating a spherical distribution of comets called the Kuiper belt.
 C. The asteroid belt; short period comets have orbital periods similar to asteroids like Vesta and are found in the plane of the solar system just like the asteroid belt.
 D. The Oort cloud; short period comets tend to be in the plane of the solar system just like the Oort cloud.
Answer: A

Question: Say the pupil of your eye has a diameter of 5 mm and you have a telescope with an aperture of 50 cm. How much more light can the telescope gather than your eye?
 A. 10000 times more
 B. 100 times more
 C. 1000 times more
 D. 10 times more
Answer: A

Question: Why isn't there a planet where the asteroid belt is located?
 A. A planet once formed here but it was broken apart by a catastrophic collision.
 B. There was not enough material in this part of the solar nebula to form a planet.
 C. There was too much rocky material to form a terrestrial planet but not enough gaseous material to form a jovian planet.
 D. Resonance with Jupiter prevented material from collecting together to form a planet.
Answer: D

Question: Why is Mars red?
 A. Because the surface is covered with heavily oxidized ("rusted") minerals.
 B. Because the atmosphere scatters more light at bluer wavelengths transmitting mostly red light.
 C. Because Mars is covered with ancient lava flows which are red in color.
 D. Because flowing water on Mars's surface altered the surface minerals several billion years ago.
Answer: A

Question: Why do scientists think Mars was once warmer and wetter?
 A. Mars shows evidence of significant volcanism which implies that the climate was once warmer and therefore wetter
 B. early observations showed what appeared to be changing vegetation patterns and canals indicating the presence of water
 C. there are many geologic features on Mars that are difficult to explain unless liquid water was once stable at the surface
 D. all planets tend to begin with warm wet climates and gradually become cold and dry with smaller planets cooling faster than larger planets
Answer:


Question: Why do scientists think Mars was once warmer and wetter?

astronomy

Choices:
- A
- B
- C
- D

Question:
Question: Why do scientists think Mars was once warmer and wetter?
 A. Mars shows evidence of significant volcanism which implies that the climate was once warmer and therefore wetter
 B. early observations showed what appeared to be changing vegetation patterns and canals indicating the presence of water
 C. there are many geologic features on Mars that are difficult to explain unless liquid water was once stable at the surface
 D. all planets tend to begin with warm wet climates and gradually become cold and dry with smaller planets cooling faster than larger planets
Answer:


Question: Why do scientists think Mars was once warmer and wetter?

astronomy

Choices:
- A
- B
- C
- D

Question:
Question: Why do scientists think Mars was once warmer and wetter?
 A. Mars shows evidence of significant volcanism which implies that the climate was once warmer and therefore wetter
 B. early observations showed what appeared to be changing vegetation patterns and canals indicating the presence of water
 C. there are many geologic features on Mars that are difficult to explain unless liquid water was once stable at the surface
 D. all planets tend to begin with warm wet climates and gradually become cold and dry with smaller planets cooling faster than larger planets
Answer:


Question: Why do scientists think Mars was once warmer and wetter?

astronomy

Choices:
- A
- B
- C
- D

Question:
Question: Why do scientists think Mars was once warmer and wetter?
 A. Mars shows evidence of significant volcanism which implies that the climate was once warmer and therefore wetter
 B. early observations showed what appeared to be changing vegetation patterns and canals indicating the presence of water
 C. there are many geologic features on Mars that are difficult to explain unless liquid water was once stable at the surface
 D. all planets tend to begin with warm wet climates and gradually become cold and dry with smaller planets cooling faster than larger planets
Answer:


Question: How do astronomers think Jupiter generates its internal heat?

astronomy

Choices:
- A
- B
- C
- D

Question:
Question: How do astronomers think Jupiter generates its internal heat?
 A. nuclear fusion in the core
 B. by contracting changing gravitational potential energy into thermal energy
 C. internal friction due to its high rotation rate
 D. chemical processes
Answer:

Context:
The following are multiple choice questions (with answers) about astronomy.

Question: You are pushing a truck along a road. Would it be easier to accelerate this truck on Mars? Why? (Assume there is no friction)
 A. It would be harder since the truck is heavier on Mars.
 B. It would be easier since the truck is lighter on Mars.
 C. It would be harder since the truck is lighter on Mars.
 D. It would be the same no matter where you are.
Answer: D

Question: Where do most short-period comets come from and how do we know?
 A. The Kuiper belt; short period comets tend to be in the plane of the solar system just like the Kuiper belt.
 B. The Kuiper belt; short period comets tend to come from random directions indicating a spherical distribution of comets called the Kuiper belt.
 C. The asteroid belt; short period comets have orbital periods similar to asteroids like Vesta and are found in the plane of the solar system just like the asteroid belt.
 D. The Oort cloud; short period comets tend to be in the plane of the solar system just like the Oort cloud.
Answer: A

Question: Say the pupil of your eye has a diameter of 5 mm and you have a telescope with an aperture of 50 cm. How much more light can the telescope gather than your eye?
 A. 10000 times more
 B. 100 times more
 C. 1000 times more
 D. 10 times more
Answer: A

Question: Why isn't there a planet where the asteroid belt is located?
 A. A planet once formed here but it was broken apart by a catastrophic collision.
 B. There was not enough material in this part of the solar nebula to form a planet.
 C. There was too much rocky material to form a terrestrial planet but not enough gaseous material to form a jovian planet.
 D. Resonance with Jupiter prevented material from collecting together to form a planet.
Answer: D

Question: Why is Mars red?
 A. Because the surface is covered with heavily oxidized ("rusted") minerals.
 B. Because the atmosphere scatters more light at bluer wavelengths transmitting mostly red light.
 C. Because Mars is covered with ancient lava flows which are red in color.
 D. Because flowing water on Mars's surface altered the surface minerals several billion years ago.
Answer: A

Question: How do astronomers think Jupiter generates its internal heat?
 A. nuclear fusion in the core
 B. by contracting changing gravitational potential energy into thermal energy
 C. internal friction due to its high rotation rate
 D. chemical processes
Answer:


Question: How do astronomers think Jupiter generates its internal heat?

astronomy

Choices:
- A
- B
- C
- D

Question:
Question: How do astronomers think Jupiter generates its internal heat?
 A. nuclear fusion in the core
 B. by contracting changing gravitational potential energy into thermal energy
 C. internal friction due to its high rotation rate
 D. chemical processes
Answer:


Question: How do astronomers think Jupiter generates its internal heat?

astronomy

Choices:
- A
- B
- C
- D

Question:
Question: How do astronomers think Jupiter generates its internal heat?
 A. nuclear fusion in the core
 B. by contracting changing gravitational potential energy into thermal energy
 C. internal friction due to its high rotation rate
 D. chemical processes
Answer:


Question: How do astronomers think Jupiter generates its internal heat?

astronomy

Choices:
- A
- B
- C
- D

Question:
Question: How do astronomers think Jupiter generates its internal heat?
 A. nuclear fusion in the core
 B. by contracting changing gravitational potential energy into thermal energy
 C. internal friction due to its high rotation rate
 D. chemical processes
Answer:


Question: Which one of these constellations is not located along the Milky Way in the sky?

astronomy

Choices:
- A
- B
- C
- D

Question:
Question: Which one of these constellations is not located along the Milky Way in the sky?
 A. Perseus
 B. Cygnus
 C. Scorpius
 D. Leo
Answer:

Context:
The following are multiple choice questions (with answers) about astronomy.

Question: You are pushing a truck along a road. Would it be easier to accelerate this truck on Mars? Why? (Assume there is no friction)
 A. It would be harder since the truck is heavier on Mars.
 B. It would be easier since the truck is lighter on Mars.
 C. It would be harder since the truck is lighter on Mars.
 D. It would be the same no matter where you are.
Answer: D

Question: Where do most short-period comets come from and how do we know?
 A. The Kuiper belt; short period comets tend to be in the plane of the solar system just like the Kuiper belt.
 B. The Kuiper belt; short period comets tend to come from random directions indicating a spherical distribution of comets called the Kuiper belt.
 C. The asteroid belt; short period comets have orbital periods similar to asteroids like Vesta and are found in the plane of the solar system just like the asteroid belt.
 D. The Oort cloud; short period comets tend to be in the plane of the solar system just like the Oort cloud.
Answer: A

Question: Say the pupil of your eye has a diameter of 5 mm and you have a telescope with an aperture of 50 cm. How much more light can the telescope gather than your eye?
 A. 10000 times more
 B. 100 times more
 C. 1000 times more
 D. 10 times more
Answer: A

Question: Why isn't there a planet where the asteroid belt is located?
 A. A planet once formed here but it was broken apart by a catastrophic collision.
 B. There was not enough material in this part of the solar nebula to form a planet.
 C. There was too much rocky material to form a terrestrial planet but not enough gaseous material to form a jovian planet.
 D. Resonance with Jupiter prevented material from collecting together to form a planet.
Answer: D

Question: Why is Mars red?
 A. Because the surface is covered with heavily oxidized ("rusted") minerals.
 B. Because the atmosphere scatters more light at bluer wavelengths transmitting mostly red light.
 C. Because Mars is covered with ancient lava flows which are red in color.
 D. Because flowing water on Mars's surface altered the surface minerals several billion years ago.
Answer: A

Question: Which one of these constellations is not located along the Milky Way in the sky?
 A. Perseus
 B. Cygnus
 C. Scorpius
 D. Leo
Answer:


Question: Which one of these constellations is not located along the Milky Way in the sky?

astronomy

Choices:
- A
- B
- C
- D

Question:
Question: Which one of these constellations is not located along the Milky Way in the sky?
 A. Perseus
 B. Cygnus
 C. Scorpius
 D. Leo
Answer:


Question: Which one of these constellations is not located along the Milky Way in the sky?

astronomy

Choices:
- A
- B
- C
- D

Question:
Question: Which one of these constellations is not located along the Milky Way in the sky?
 A. Perseus
 B. Cygnus
 C. Scorpius
 D. Leo
Answer:


Question: Which one of these constellations is not located along the Milky Way in the sky?

astronomy

Choices:
- A
- B
- C
- D

Question:
Question: Which one of these constellations is not located along the Milky Way in the sky?
 A. Perseus
 B. Cygnus
 C. Scorpius
 D. Leo
Answer: