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| a piece of rock that orbites around the sun |
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| all matter and energy started out concentrated in a small area and after a giant explosion matter began to organize into subatomic particles and atoms |
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| any object outside or above the earths atmosphere |
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| the shifting of wave lengths |
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| the muesure of the orbit an object takes |
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| thee type of an orbit a planet takes |
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| one of the two pionts to muesure eccentricity |
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| the second biggest place inb space (think milky way) |
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| the pull on object has on another object |
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| when a meteor impacts earths surface |
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| when meteors impact planets |
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| the thought thaat an object at rest will stay at reest but an object in motion will tend to stay in motion |
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| are plants far from the sun (j, s, u, n) |
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| measures how bright a star is |
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| a brief streak across the sky that usually burns up |
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| a body that orbits the planet |
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| the combining of smaller nuclei into larger nuclei |
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| the moving apart of a celestial object |
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| the thierd bbiggest classification |
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| a ball of gas held together by gravity |
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| planets that are close to the sun (m, v, e, m) |
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| anything that exits in any place |
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| when planets spin on their axis |
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