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8 Cards in this Set
- Front
- Back
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what is the equatorial diameter of the moon?
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12, 756 km-earth
3,476 km-moon |
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what is the surface area?
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510 million square km-earth
37.8 million qruare km-moon |
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what is the surface gravity?
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9.8m/sec-earth
3.34 grams per cubic cm |
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what is moon soil made out of?
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silicon and oxygen bound in minerals that have water and organic materials-earth
silicon and oxygen w/o water and organicness-moon |
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what is in the atmosphere?
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78% nitrogen, 21% oxygen-earth
basiclly nothing-moon |
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whats the length of the days?
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23.93 hours-earth
27.3 earth days-moon |
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whats the surface temature?
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from -88 degrees C to 58 degrees C-earth
from -193 degrees C to 111 degrees C-moon |
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whatare the surface features?
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25%land -earth
84%highlands, 16%basalt covered maria |
