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doit_the_clown doit_the_clown
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7 years ago
In what major way does Mercury differ from our Moon?

(a)   Mercury lacks the prominent, dark, relatively craterless maria of the Moon.
(b)   Mercury shows no sign at all of major impact basins, whereas there are several on the Moon.
(c)   Mercury shows evidence of having once had running water on the surface, whereas the Moon is essentially devoid of water.
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Discovering the Universe

Discovering the Universe


Edition: 7th
Authors:
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Only two things are infinite, the universe and human stupidity, and I'm not sure about the former.

Albert Einstein
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hyponoticahyponotica
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7 years ago
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