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Low in brightness.and avarage in temperatue.
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Order from large to small. earth galaxy universe solar system |
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universe galaxy solar system earth
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It takes the sun 8mintes to reach the earth.this is ______than a lightyear |
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A lightyear measures distance beetween ____? |
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What supports the "BIG BANG THEORY?" |
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| Galaxys that travel together are called what? |
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In the winter days are.... |
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