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5 Cards in this Set
- Front
- Back
a medium sized cumulus cloud weighs
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about the size of 80 elephants |
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the big dipper is not a constellation, it's an |
asterism |
|
asterism |
pattern of stars in the sky which is not part of the 88 constellations |
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the earth orbits the sun at _______ mph |
66,700 |
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all of space is completely
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silent
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