Galileo observed all of the following. Which observation offered direct proof of a planet orbiting the Sun?
A. phases of Venus
B. four moons of Jupiter
C. patterns of shadow and sunlight near the dividing line between the light and dark portions of the Moon's face
D. The Milky Way is composed of many individual stars.
Answer:A
Galileo observed all of the following. Which observation offered direct proof of a planet orbiting the Sun?
A. phases of Venus B. four moons of Jupiter C. patterns of shadow and sunlight near the dividing line between the light and dark portions of the Moon's face D. The Milky Way is composed of many individual stars.