All the following statements are true. Which one follows directly from Kepler's third law (p2 = a3)?
A. Venus orbits the Sun at a slower average speed than Mercury.
B. Venus is more massive than Mercury.
C. Venus takes longer to rotate than it does to orbit the Sun.
D. Venus has a thicker atmosphere than Mercury.
Answer:A
All the following statements are true. Which one follows directly from Kepler's third law (p2 = a3)?
A. Venus orbits the Sun at a slower average speed than Mercury. B. Venus is more massive than Mercury. C. Venus takes longer to rotate than it does to orbit the Sun. D. Venus has a thicker atmosphere than Mercury.