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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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