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| 1 | |
What are the Moon’s mass and radius compared with the Earth’s? |
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| 2 | |
Describe a crater and how it is formed. |
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| 3 | |
What are lunar rilles? What are rays? |
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| 4 | |
How do the maria differ from the highlands? |
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| 5 | |
What formed the maria? Why are they smooth? |
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| 6 | |
Why has the Moon no atmosphere? |
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| 7 | |
Why is the Moon’s surface cratered but the Earth’s not? |
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| 8 | |
How do astronomers believe the Moon formed? What supports this theory? How does the theory explain why the Earth and Moon have such different densities? |
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| 9 | |
How are tides formed on the Earth? |
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| 10 | |
Why does the Moon form two tidal bulges on the Earth? |
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| 11 | |
Why aren’t there eclipses each month? |
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| 12 | |
What is an eclipse season? |
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| 13 | |
How does the Moon rotate? Why does it spin in this manner? |
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