Answers are in blue.
1. How many planets orbit the Sun?
a. Seven.
b. Eight.
c. Nine.
d. Millions.
e. There is not enough information to answer this question.
2. Compared to minor planets, major planets ...
a. are more spherical.
b. have orbits with lower inclinations.
c. have more circular orbits.
d. All of the above.
e. None of the above.
3. Which of the following is not a dwarf planet?
a. Mercury.
b. Ceres.
c. Pluto.
d. Charon.
e. Eris.
4. Compared to the terrestrial worlds, the jovian worlds ...
a. are more massive.5. Minor planets are concentrated in the ...
a. Asteroid Belt.
b. Kuiper Belt.
c. Oort Cloud.
d. Trojan points around Jupiter.
e. All of the above.
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Last modified 19 March, 2007. © Gregory C. Sloan.