Term
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Definition
| Distance from Earth to the Sun |
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Term
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Definition
| The distance light travels in one year |
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Term
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Definition
| The very top of the sky to the observer |
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Term
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Definition
| Top of the sky on the opposite side of the planet to the observer |
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Term
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Definition
| 23 hours 56 minutes; 1 cycle of the stars |
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Term
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Definition
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Term
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Definition
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Term
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Definition
| Earth travels around the sun |
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Term
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Definition
| The Earth gradually changes direction of its axis over 26,000 years |
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Term
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Definition
| 27.3 days; 1 cycle of the moon |
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