1. Which is the most massive planet in the solar system?
a. Earth,
b. Neptune,
c. Saturn,
d. Jupiter,
e. Mercury
2. Which of the following planets does NOT have rings? Choose only one.
(a) Mars;
(b) Uranus;
(c) Neptune;
(d) Saturn;
(e) Jupiter.
3. What is liquid metallic hydrogen? Which planets contain this substance? What [conditions produce] this form of hydrogen?
4. Why do features in Saturn's atmosphere appear much fainter and "washed out" than comparable features in Jupiter's atmosphere?
5. Explain how shepherd satellites affect some planetary rings. Is "shepherd satellites" an appropriate term for these objects? Explain your answer.
6. Explain why Triton will never collide with Neptune, even though it is spiraling toward that Planet.
7. What IF: Jupiter, at its present location, were a star? What would Earth be like?