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| imaginary line going through the center of the earth from the north pole to the south pole |
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| Earth spinning on its axis |
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| Earth's movement around the sun |
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| causes us to have day and night |
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| causes us to have seasons |
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Definition
| how long it takes Earth to make one full rotation |
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| how long it takes Earth to make one full revolution |
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| about how long it takes the moon to go through each of its phases |
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Definition
| we do not see any light reflected |
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Definition
| the whole side of the moon reflecting the sun is toward the earth |
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