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| a large rocky object that orbits the sun |
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| a person who studies the stars, planets, and everything beyond the Earth's atmosphere |
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| an astronomical object with such extreme gravity that even light can't escape it |
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| done as a way of trying something out |
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| a large group of stars held together by gravity |
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| a branch of physics that deals with the actions of forces on objects |
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| a mass or rock or metal that enters Earth's atmosphere from space |
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| the remains of a meteor that has fallen to earth without burning up |
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