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| most meteorites are composed of? |
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most of the natural elements are created during the cosmic event called
? |
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| the first scientist to view the heavens from a telescope was? |
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| the planet with the higest surface temp. is? |
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| the asteroids orbit between the orbits of? |
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| outermost reaches of the solar system |
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| comets are composed largely of. |
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| the major difference between meteorides and meteorites are? |
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| the major greenhouse gas on both earth and venus is? |
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| the fuel for main sequence stars is? |
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| the big bang occurred how long ago? |
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| the possible death of galaxy's, goes back to where it started. |
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| how far away is the moon from the earth? |
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| how far away is pluto from earth? |
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| how far away is the closets start to us? |
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| the galaxy next to ours is? |
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