Question: From shortest to longest wavelength which of the following correctly orders the different categories of electromagnetic radiation?

astronomy

Choices:
- A
- B
- C
- D

Question:
Question: From shortest to longest wavelength which of the following correctly orders the different categories of electromagnetic radiation?
 A. infrared visible light ultraviolet X rays gamma rays radio
 B. radio infrared visible light ultraviolet X rays gamma rays
 C. gamma rays X rays visible light ultraviolet infrared radio
 D. gamma rays X rays ultraviolet visible light infrared radio
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: From shortest to longest wavelength which of the following correctly orders the different categories of electromagnetic radiation?
 A. infrared visible light ultraviolet X rays gamma rays radio
 B. radio infrared visible light ultraviolet X rays gamma rays
 C. gamma rays X rays visible light ultraviolet infrared radio
 D. gamma rays X rays ultraviolet visible light infrared radio
Answer:


Question: From shortest to longest wavelength which of the following correctly orders the different categories of electromagnetic radiation?

astronomy

Choices:
- A
- B
- C
- D

Question:
Question: From shortest to longest wavelength which of the following correctly orders the different categories of electromagnetic radiation?
 A. infrared visible light ultraviolet X rays gamma rays radio
 B. radio infrared visible light ultraviolet X rays gamma rays
 C. gamma rays X rays visible light ultraviolet infrared radio
 D. gamma rays X rays ultraviolet visible light infrared radio
Answer:


Question: From shortest to longest wavelength which of the following correctly orders the different categories of electromagnetic radiation?

astronomy

Choices:
- A
- B
- C
- D

Question:
Question: From shortest to longest wavelength which of the following correctly orders the different categories of electromagnetic radiation?
 A. infrared visible light ultraviolet X rays gamma rays radio
 B. radio infrared visible light ultraviolet X rays gamma rays
 C. gamma rays X rays visible light ultraviolet infrared radio
 D. gamma rays X rays ultraviolet visible light infrared radio
Answer:


Question: From shortest to longest wavelength which of the following correctly orders the different categories of electromagnetic radiation?

astronomy

Choices:
- A
- B
- C
- D

Question:
Question: From shortest to longest wavelength which of the following correctly orders the different categories of electromagnetic radiation?
 A. infrared visible light ultraviolet X rays gamma rays radio
 B. radio infrared visible light ultraviolet X rays gamma rays
 C. gamma rays X rays visible light ultraviolet infrared radio
 D. gamma rays X rays ultraviolet visible light infrared radio
Answer:


Question: Approximately how long does it take Pluto to orbit the Sun once?

astronomy

Choices:
- A
- B
- C
- D

Question:
Question: Approximately how long does it take Pluto to orbit the Sun once?
 A. 150 years
 B. 200 years
 C. 250 years
 D. 300 years
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: Approximately how long does it take Pluto to orbit the Sun once?
 A. 150 years
 B. 200 years
 C. 250 years
 D. 300 years
Answer:


Question: Approximately how long does it take Pluto to orbit the Sun once?

astronomy

Choices:
- A
- B
- C
- D

Question:
Question: Approximately how long does it take Pluto to orbit the Sun once?
 A. 150 years
 B. 200 years
 C. 250 years
 D. 300 years
Answer:


Question: Approximately how long does it take Pluto to orbit the Sun once?

astronomy

Choices:
- A
- B
- C
- D

Question:
Question: Approximately how long does it take Pluto to orbit the Sun once?
 A. 150 years
 B. 200 years
 C. 250 years
 D. 300 years
Answer:


Question: Approximately how long does it take Pluto to orbit the Sun once?

astronomy

Choices:
- A
- B
- C
- D

Question:
Question: Approximately how long does it take Pluto to orbit the Sun once?
 A. 150 years
 B. 200 years
 C. 250 years
 D. 300 years
Answer:


Question: Mars might be a place for future human explorations. However humans can not breathe on the surface of Mars because the atmosphere consists mostly of ...

astronomy

Choices:
- A
- B
- C
- D

Question:
Question: Mars might be a place for future human explorations. However humans can not breathe on the surface of Mars because the atmosphere consists mostly of ...
 A. Nitrogen
 B. Argon
 C. Methane
 D. CO2
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 might be a place for future human explorations. However humans can not breathe on the surface of Mars because the atmosphere consists mostly of ...
 A. Nitrogen
 B. Argon
 C. Methane
 D. CO2
Answer:


Question: Mars might be a place for future human explorations. However humans can not breathe on the surface of Mars because the atmosphere consists mostly of ...

astronomy

Choices:
- A
- B
- C
- D

Question:
Question: Mars might be a place for future human explorations. However humans can not breathe on the surface of Mars because the atmosphere consists mostly of ...
 A. Nitrogen
 B. Argon
 C. Methane
 D. CO2
Answer:


Question: Mars might be a place for future human explorations. However humans can not breathe on the surface of Mars because the atmosphere consists mostly of ...

astronomy

Choices:
- A
- B
- C
- D

Question:
Question: Mars might be a place for future human explorations. However humans can not breathe on the surface of Mars because the atmosphere consists mostly of ...
 A. Nitrogen
 B. Argon
 C. Methane
 D. CO2
Answer:


Question: Mars might be a place for future human explorations. However humans can not breathe on the surface of Mars because the atmosphere consists mostly of ...

astronomy

Choices:
- A
- B
- C
- D

Question:
Question: Mars might be a place for future human explorations. However humans can not breathe on the surface of Mars because the atmosphere consists mostly of ...
 A. Nitrogen
 B. Argon
 C. Methane
 D. CO2
Answer:


Question: Which of the jovian planets have rings?

astronomy

Choices:
- A
- B
- C
- D

Question:
Question: Which of the jovian planets have rings?
 A. Neptune
 B. Uranus
 C. Saturn
 D. all of the above
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 jovian planets have rings?
 A. Neptune
 B. Uranus
 C. Saturn
 D. all of the above
Answer:


Question: Which of the jovian planets have rings?

astronomy

Choices:
- A
- B
- C
- D

Question:
Question: Which of the jovian planets have rings?
 A. Neptune
 B. Uranus
 C. Saturn
 D. all of the above
Answer:


Question: Which of the jovian planets have rings?

astronomy

Choices:
- A
- B
- C
- D

Question:
Question: Which of the jovian planets have rings?
 A. Neptune
 B. Uranus
 C. Saturn
 D. all of the above
Answer:


Question: Which of the jovian planets have rings?

astronomy

Choices:
- A
- B
- C
- D

Question:
Question: Which of the jovian planets have rings?
 A. Neptune
 B. Uranus
 C. Saturn
 D. all of the above
Answer:


Question: Besides large astronomical objects astrophysicists are also interested in small particles from space. Which one of these particles has the weakest interactions with other particles?

astronomy

Choices:
- A
- B
- C
- D

Question:
Question: Besides large astronomical objects astrophysicists are also interested in small particles from space. Which one of these particles has the weakest interactions with other particles?
 A. µ Muons
 B. Antiparticles
 C. ν Neutrinos
 D. π Pions
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: Besides large astronomical objects astrophysicists are also interested in small particles from space. Which one of these particles has the weakest interactions with other particles?
 A. µ Muons
 B. Antiparticles
 C. ν Neutrinos
 D. π Pions
Answer:


Question: Besides large astronomical objects astrophysicists are also interested in small particles from space. Which one of these particles has the weakest interactions with other particles?

astronomy

Choices:
- A
- B
- C
- D

Question:
Question: Besides large astronomical objects astrophysicists are also interested in small particles from space. Which one of these particles has the weakest interactions with other particles?
 A. µ Muons
 B. Antiparticles
 C. ν Neutrinos
 D. π Pions
Answer:


Question: Besides large astronomical objects astrophysicists are also interested in small particles from space. Which one of these particles has the weakest interactions with other particles?

astronomy

Choices:
- A
- B
- C
- D

Question:
Question: Besides large astronomical objects astrophysicists are also interested in small particles from space. Which one of these particles has the weakest interactions with other particles?
 A. µ Muons
 B. Antiparticles
 C. ν Neutrinos
 D. π Pions
Answer:


Question: Besides large astronomical objects astrophysicists are also interested in small particles from space. Which one of these particles has the weakest interactions with other particles?

astronomy

Choices:
- A
- B
- C
- D

Question:
Question: Besides large astronomical objects astrophysicists are also interested in small particles from space. Which one of these particles has the weakest interactions with other particles?
 A. µ Muons
 B. Antiparticles
 C. ν Neutrinos
 D. π Pions
Answer:


Question: Approximately how old is the surface of Venus?

astronomy

Choices:
- A
- B
- C
- D

Question:
Question: Approximately how old is the surface of Venus?
 A. 750 million years.
 B. 2 billion years.
 C. 3 billion years.
 D. 4.5 billion years.
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: Approximately how old is the surface of Venus?
 A. 750 million years.
 B. 2 billion years.
 C. 3 billion years.
 D. 4.5 billion years.
Answer:


Question: Approximately how old is the surface of Venus?

astronomy

Choices:
- A
- B
- C
- D

Question:
Question: Approximately how old is the surface of Venus?
 A. 750 million years.
 B. 2 billion years.
 C. 3 billion years.
 D. 4.5 billion years.
Answer:


Question: Approximately how old is the surface of Venus?

astronomy

Choices:
- A
- B
- C
- D

Question:
Question: Approximately how old is the surface of Venus?
 A. 750 million years.
 B. 2 billion years.
 C. 3 billion years.
 D. 4.5 billion years.
Answer:


Question: Approximately how old is the surface of Venus?

astronomy

Choices:
- A
- B
- C
- D

Question:
Question: Approximately how old is the surface of Venus?
 A. 750 million years.
 B. 2 billion years.
 C. 3 billion years.
 D. 4.5 billion years.
Answer:


Question: Why do jovian planets bulge around the equator that is have a "squashed" appearance?

astronomy

Choices:
- A
- B
- C
- D

Question:
Question: Why do jovian planets bulge around the equator that is have a "squashed" appearance?
 A. Their large systems of moons and rings gravitationally attract the mass around the equator more.
 B. They are much more massive than the terrestrial planets.
 C. Their rapid rotation flings the mass near the equator outward.
 D. Their internal heat sources exert a pressure against the sides of the 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 jovian planets bulge around the equator that is have a "squashed" appearance?
 A. Their large systems of moons and rings gravitationally attract the mass around the equator more.
 B. They are much more massive than the terrestrial planets.
 C. Their rapid rotation flings the mass near the equator outward.
 D. Their internal heat sources exert a pressure against the sides of the planets.
Answer:


Question: Why do jovian planets bulge around the equator that is have a "squashed" appearance?

astronomy

Choices:
- A
- B
- C
- D

Question:
Question: Why do jovian planets bulge around the equator that is have a "squashed" appearance?
 A. Their large systems of moons and rings gravitationally attract the mass around the equator more.
 B. They are much more massive than the terrestrial planets.
 C. Their rapid rotation flings the mass near the equator outward.
 D. Their internal heat sources exert a pressure against the sides of the planets.
Answer:


Question: Why do jovian planets bulge around the equator that is have a "squashed" appearance?

astronomy

Choices:
- A
- B
- C
- D

Question:
Question: Why do jovian planets bulge around the equator that is have a "squashed" appearance?
 A. Their large systems of moons and rings gravitationally attract the mass around the equator more.
 B. They are much more massive than the terrestrial planets.
 C. Their rapid rotation flings the mass near the equator outward.
 D. Their internal heat sources exert a pressure against the sides of the planets.
Answer:


Question: Why do jovian planets bulge around the equator that is have a "squashed" appearance?

astronomy

Choices:
- A
- B
- C
- D

Question:
Question: Why do jovian planets bulge around the equator that is have a "squashed" appearance?
 A. Their large systems of moons and rings gravitationally attract the mass around the equator more.
 B. They are much more massive than the terrestrial planets.
 C. Their rapid rotation flings the mass near the equator outward.
 D. Their internal heat sources exert a pressure against the sides of the 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. through exothermic chemical reactions converting chemical potential energy into thermal energy
 B. nuclear fusion
 C. by contracting changing gravitational potential energy into thermal energy
 D. internal friction due to its rapid rotation rate and differential 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: How do astronomers think Jupiter generates its internal heat?
 A. through exothermic chemical reactions converting chemical potential energy into thermal energy
 B. nuclear fusion
 C. by contracting changing gravitational potential energy into thermal energy
 D. internal friction due to its rapid rotation rate and differential rotation
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. through exothermic chemical reactions converting chemical potential energy into thermal energy
 B. nuclear fusion
 C. by contracting changing gravitational potential energy into thermal energy
 D. internal friction due to its rapid rotation rate and differential rotation
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. through exothermic chemical reactions converting chemical potential energy into thermal energy
 B. nuclear fusion
 C. by contracting changing gravitational potential energy into thermal energy
 D. internal friction due to its rapid rotation rate and differential rotation
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. through exothermic chemical reactions converting chemical potential energy into thermal energy
 B. nuclear fusion
 C. by contracting changing gravitational potential energy into thermal energy
 D. internal friction due to its rapid rotation rate and differential rotation
Answer:


Question: What defines the habitable zone around a star?

astronomy

Choices:
- A
- B
- C
- D

Question:
Question: What defines the habitable zone around a star?
 A. the region around a star where liquid water can potentially exist on planetary surfaces
 B. the region around a star where humans can survive
 C. the region around a star where the ultraviolet radiation does not destroy organisms on a planetary surface
 D. the region around a star where life exists
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 defines the habitable zone around a star?
 A. the region around a star where liquid water can potentially exist on planetary surfaces
 B. the region around a star where humans can survive
 C. the region around a star where the ultraviolet radiation does not destroy organisms on a planetary surface
 D. the region around a star where life exists
Answer:


Question: What defines the habitable zone around a star?

astronomy

Choices:
- A
- B
- C
- D

Question:
Question: What defines the habitable zone around a star?
 A. the region around a star where liquid water can potentially exist on planetary surfaces
 B. the region around a star where humans can survive
 C. the region around a star where the ultraviolet radiation does not destroy organisms on a planetary surface
 D. the region around a star where life exists
Answer:


Question: What defines the habitable zone around a star?

astronomy

Choices:
- A
- B
- C
- D

Question:
Question: What defines the habitable zone around a star?
 A. the region around a star where liquid water can potentially exist on planetary surfaces
 B. the region around a star where humans can survive
 C. the region around a star where the ultraviolet radiation does not destroy organisms on a planetary surface
 D. the region around a star where life exists
Answer:


Question: What defines the habitable zone around a star?

astronomy

Choices:
- A
- B
- C
- D

Question:
Question: What defines the habitable zone around a star?
 A. the region around a star where liquid water can potentially exist on planetary surfaces
 B. the region around a star where humans can survive
 C. the region around a star where the ultraviolet radiation does not destroy organisms on a planetary surface
 D. the region around a star where life exists
Answer:


Question: Why are Cepheid stars relevant for astronomers?

astronomy

Choices:
- A
- B
- C
- D

Question:
Question: Why are Cepheid stars relevant for astronomers?
 A. To measure interstellar mass.
 B. To measure galactic distances.
 C. To measure galactic energy-density.
 D. To measure interstellar density.
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 Cepheid stars relevant for astronomers?
 A. To measure interstellar mass.
 B. To measure galactic distances.
 C. To measure galactic energy-density.
 D. To measure interstellar density.
Answer:


Question: Why are Cepheid stars relevant for astronomers?

astronomy

Choices:
- A
- B
- C
- D

Question:
Question: Why are Cepheid stars relevant for astronomers?
 A. To measure interstellar mass.
 B. To measure galactic distances.
 C. To measure galactic energy-density.
 D. To measure interstellar density.
Answer:


Question: Why are Cepheid stars relevant for astronomers?

astronomy

Choices:
- A
- B
- C
- D

Question:
Question: Why are Cepheid stars relevant for astronomers?
 A. To measure interstellar mass.
 B. To measure galactic distances.
 C. To measure galactic energy-density.
 D. To measure interstellar density.
Answer:


Question: Why are Cepheid stars relevant for astronomers?

astronomy

Choices:
- A
- B
- C
- D

Question:
Question: Why are Cepheid stars relevant for astronomers?
 A. To measure interstellar mass.
 B. To measure galactic distances.
 C. To measure galactic energy-density.
 D. To measure interstellar density.
Answer:


Question: What is the so-called bolometric luminosity in astronomy?

astronomy

Choices:
- A
- B
- C
- D

Question:
Question: What is the so-called bolometric luminosity in astronomy?
 A. The luminosity integrated over vertically polarized wavelengths.
 B. The luminosity integrated over horizontally wavelengths.
 C. The luminosity integrated over visible wavelengths.
 D. The luminosity integrated over all wavelengths.
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 so-called bolometric luminosity in astronomy?
 A. The luminosity integrated over vertically polarized wavelengths.
 B. The luminosity integrated over horizontally wavelengths.
 C. The luminosity integrated over visible wavelengths.
 D. The luminosity integrated over all wavelengths.
Answer:


Question: What is the so-called bolometric luminosity in astronomy?

astronomy

Choices:
- A
- B
- C
- D

Question:
Question: What is the so-called bolometric luminosity in astronomy?
 A. The luminosity integrated over vertically polarized wavelengths.
 B. The luminosity integrated over horizontally wavelengths.
 C. The luminosity integrated over visible wavelengths.
 D. The luminosity integrated over all wavelengths.
Answer:


Question: What is the so-called bolometric luminosity in astronomy?

astronomy

Choices:
- A
- B
- C
- D

Question:
Question: What is the so-called bolometric luminosity in astronomy?
 A. The luminosity integrated over vertically polarized wavelengths.
 B. The luminosity integrated over horizontally wavelengths.
 C. The luminosity integrated over visible wavelengths.
 D. The luminosity integrated over all wavelengths.
Answer:


Question: What is the so-called bolometric luminosity in astronomy?

astronomy

Choices:
- A
- B
- C
- D

Question:
Question: What is the so-called bolometric luminosity in astronomy?
 A. The luminosity integrated over vertically polarized wavelengths.
 B. The luminosity integrated over horizontally wavelengths.
 C. The luminosity integrated over visible wavelengths.
 D. The luminosity integrated over all wavelengths.
Answer:


Question: Radio telescopes are crucial for astronomical observations. Which one of these well-known radio telescopes has the largest parabolic antenna?

astronomy

Choices:
- A
- B
- C
- D

Question:
Question: Radio telescopes are crucial for astronomical observations. Which one of these well-known radio telescopes has the largest parabolic antenna?
 A. Green Bank Telescope
 B. Arecibo Telescope
 C. Yevpatoria RT-70 Telescope
 D. Effelsberg Telescope
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: Radio telescopes are crucial for astronomical observations. Which one of these well-known radio telescopes has the largest parabolic antenna?
 A. Green Bank Telescope
 B. Arecibo Telescope
 C. Yevpatoria RT-70 Telescope
 D. Effelsberg Telescope
Answer:


Question: Radio telescopes are crucial for astronomical observations. Which one of these well-known radio telescopes has the largest parabolic antenna?

astronomy

Choices:
- A
- B
- C
- D

Question:
Question: Radio telescopes are crucial for astronomical observations. Which one of these well-known radio telescopes has the largest parabolic antenna?
 A. Green Bank Telescope
 B. Arecibo Telescope
 C. Yevpatoria RT-70 Telescope
 D. Effelsberg Telescope
Answer:


Question: Radio telescopes are crucial for astronomical observations. Which one of these well-known radio telescopes has the largest parabolic antenna?

astronomy

Choices:
- A
- B
- C
- D

Question:
Question: Radio telescopes are crucial for astronomical observations. Which one of these well-known radio telescopes has the largest parabolic antenna?
 A. Green Bank Telescope
 B. Arecibo Telescope
 C. Yevpatoria RT-70 Telescope
 D. Effelsberg Telescope
Answer:


Question: Radio telescopes are crucial for astronomical observations. Which one of these well-known radio telescopes has the largest parabolic antenna?

astronomy

Choices:
- A
- B
- C
- D

Question:
Question: Radio telescopes are crucial for astronomical observations. Which one of these well-known radio telescopes has the largest parabolic antenna?
 A. Green Bank Telescope
 B. Arecibo Telescope
 C. Yevpatoria RT-70 Telescope
 D. Effelsberg Telescope
Answer:


Question: Find the best approximation for the surface temperature of the Sun:

astronomy

Choices:
- A
- B
- C
- D

Question:
Question: Find the best approximation for the surface temperature of the Sun:
 A. 6000 K
 B. 7000 K
 C. 9000 K
 D. 13000 K
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: Find the best approximation for the surface temperature of the Sun:
 A. 6000 K
 B. 7000 K
 C. 9000 K
 D. 13000 K
Answer:


Question: Find the best approximation for the surface temperature of the Sun:

astronomy

Choices:
- A
- B
- C
- D

Question:
Question: Find the best approximation for the surface temperature of the Sun:
 A. 6000 K
 B. 7000 K
 C. 9000 K
 D. 13000 K
Answer:


Question: Find the best approximation for the surface temperature of the Sun:

astronomy

Choices:
- A
- B
- C
- D

Question:
Question: Find the best approximation for the surface temperature of the Sun:
 A. 6000 K
 B. 7000 K
 C. 9000 K
 D. 13000 K
Answer:


Question: Find the best approximation for the surface temperature of the Sun:

astronomy

Choices:
- A
- B
- C
- D

Question:
Question: Find the best approximation for the surface temperature of the Sun:
 A. 6000 K
 B. 7000 K
 C. 9000 K
 D. 13000 K
Answer:


Question: Previous IAAC rounds featured Proxima/Alpha Centauri as closes star(system) to the Earth. Which one is the second closest star(system)?

astronomy

Choices:
- A
- B
- C
- D

Question:
Question: Previous IAAC rounds featured Proxima/Alpha Centauri as closes star(system) to the Earth. Which one is the second closest star(system)?
 A. Wolf 359
 B. Sirius
 C. 61 Cygni
 D. Barnard’s Star
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: Previous IAAC rounds featured Proxima/Alpha Centauri as closes star(system) to the Earth. Which one is the second closest star(system)?
 A. Wolf 359
 B. Sirius
 C. 61 Cygni
 D. Barnard’s Star
Answer:


Question: Previous IAAC rounds featured Proxima/Alpha Centauri as closes star(system) to the Earth. Which one is the second closest star(system)?

astronomy

Choices:
- A
- B
- C
- D

Question:
Question: Previous IAAC rounds featured Proxima/Alpha Centauri as closes star(system) to the Earth. Which one is the second closest star(system)?
 A. Wolf 359
 B. Sirius
 C. 61 Cygni
 D. Barnard’s Star
Answer:


Question: Previous IAAC rounds featured Proxima/Alpha Centauri as closes star(system) to the Earth. Which one is the second closest star(system)?

astronomy

Choices:
- A
- B
- C
- D

Question:
Question: Previous IAAC rounds featured Proxima/Alpha Centauri as closes star(system) to the Earth. Which one is the second closest star(system)?
 A. Wolf 359
 B. Sirius
 C. 61 Cygni
 D. Barnard’s Star
Answer:


Question: Previous IAAC rounds featured Proxima/Alpha Centauri as closes star(system) to the Earth. Which one is the second closest star(system)?

astronomy

Choices:
- A
- B
- C
- D

Question:
Question: Previous IAAC rounds featured Proxima/Alpha Centauri as closes star(system) to the Earth. Which one is the second closest star(system)?
 A. Wolf 359
 B. Sirius
 C. 61 Cygni
 D. Barnard’s Star
Answer:


Question: How are planetary rings made?

astronomy

Choices:
- A
- B
- C
- D

Question:
Question: How are planetary rings made?
 A. From the dismantling of small moons by impacts
 B. From fragments of planets ejected by impacts
 C. From dust grains that escape from passing comets
 D. From accretion within the solar nebula at the same time the planets formed
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 are planetary rings made?
 A. From the dismantling of small moons by impacts
 B. From fragments of planets ejected by impacts
 C. From dust grains that escape from passing comets
 D. From accretion within the solar nebula at the same time the planets formed
Answer:


Question: How are planetary rings made?

astronomy

Choices:
- A
- B
- C
- D

Question:
Question: How are planetary rings made?
 A. From the dismantling of small moons by impacts
 B. From fragments of planets ejected by impacts
 C. From dust grains that escape from passing comets
 D. From accretion within the solar nebula at the same time the planets formed
Answer:


Question: How are planetary rings made?

astronomy

Choices:
- A
- B
- C
- D

Question:
Question: How are planetary rings made?
 A. From the dismantling of small moons by impacts
 B. From fragments of planets ejected by impacts
 C. From dust grains that escape from passing comets
 D. From accretion within the solar nebula at the same time the planets formed
Answer:


Question: How are planetary rings made?

astronomy

Choices:
- A
- B
- C
- D

Question:
Question: How are planetary rings made?
 A. From the dismantling of small moons by impacts
 B. From fragments of planets ejected by impacts
 C. From dust grains that escape from passing comets
 D. From accretion within the solar nebula at the same time the planets formed
Answer:


Question: The lunar maria are:

astronomy

Choices:
- A
- B
- C
- D

Question:
Question: The lunar maria are:
 A. ancient heavily cratered highlands
 B. dark lavas inside volcanic calderas
 C. dark lavas filling older impact basins
 D. the bright regions on the Moon
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 lunar maria are:
 A. ancient heavily cratered highlands
 B. dark lavas inside volcanic calderas
 C. dark lavas filling older impact basins
 D. the bright regions on the Moon
Answer:


Question: The lunar maria are:

astronomy

Choices:
- A
- B
- C
- D

Question:
Question: The lunar maria are:
 A. ancient heavily cratered highlands
 B. dark lavas inside volcanic calderas
 C. dark lavas filling older impact basins
 D. the bright regions on the Moon
Answer:


Question: The lunar maria are:

astronomy

Choices:
- A
- B
- C
- D

Question:
Question: The lunar maria are:
 A. ancient heavily cratered highlands
 B. dark lavas inside volcanic calderas
 C. dark lavas filling older impact basins
 D. the bright regions on the Moon
Answer:


Question: The lunar maria are:

astronomy

Choices:
- A
- B
- C
- D

Question:
Question: The lunar maria are:
 A. ancient heavily cratered highlands
 B. dark lavas inside volcanic calderas
 C. dark lavas filling older impact basins
 D. the bright regions on the Moon
Answer:


Question: One astronomical unit (AU) is equal to approximately ...

astronomy

Choices:
- A
- B
- C
- D

Question:
Question: One astronomical unit (AU) is equal to approximately ...
 A. 130 million km
 B. 150 million km
 C. 170 million km
 D. 190 million km
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: One astronomical unit (AU) is equal to approximately ...
 A. 130 million km
 B. 150 million km
 C. 170 million km
 D. 190 million km
Answer:


Question: One astronomical unit (AU) is equal to approximately ...

astronomy

Choices:
- A
- B
- C
- D

Question:
Question: One astronomical unit (AU) is equal to approximately ...
 A. 130 million km
 B. 150 million km
 C. 170 million km
 D. 190 million km
Answer:


Question: One astronomical unit (AU) is equal to approximately ...

astronomy

Choices:
- A
- B
- C
- D

Question:
Question: One astronomical unit (AU) is equal to approximately ...
 A. 130 million km
 B. 150 million km
 C. 170 million km
 D. 190 million km
Answer:


Question: One astronomical unit (AU) is equal to approximately ...

astronomy

Choices:
- A
- B
- C
- D

Question:
Question: One astronomical unit (AU) is equal to approximately ...
 A. 130 million km
 B. 150 million km
 C. 170 million km
 D. 190 million km
Answer: