Term
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Definition
| large, glowing ball of gas that generates heat and light through nuclear fusion |
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Term
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Definition
| moderately large object that orbits a star; it shines by reflected light. can be rocky, icy or gaseous in composition |
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Term
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Definition
| object that orbits a planet |
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Term
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Definition
| relatively small and rocky object that orbits a star |
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Term
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Definition
| relatively small and icy object that orbits a star |
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Term
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Definition
| a star and all the material that orbits it, including planets and moons |
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Term
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Definition
| distance light can travel in 1 year |
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