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Definition
| A piece of rock from space that has landed on the Earth's surface without burning up. |
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| A group of planets and other objects which revolve around a star. |
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| A natural satellite of a planet. |
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| An unmanned spacecraft that carries scientific instruments into space for research. |
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| Reddish loops of gas that appear to connect sunspots. |
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| A star around which the planets and other objects in the Milky Way revolve. |
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| A giant storm on the sun's surface that can send huge streams of electrically charged particles out into the solar system. |
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| A rocky body, smaller than a planet, that revolves around the sun. Found in a belt-like area between Mars and Jupiter. |
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| Any object that orbits another body in space(may be natural or man-made). |
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| A long term orbiting platform in space from which other vehicles can be launched or research can be carried out. Stays in Earth's orbit. |
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| Cooler, darker spots on the surface of the sun. |
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Definition
| A rocky planet in the inner solar system. |
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Definition
| A small, rocky body that revolves around the sun and is smaller than an asteroid. |
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| A body of ice, rock, and dust that orbits the sun. |
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| A manned, reusable vehicle that takes off like a rocket and lands like an airplane. |
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| The National Aeronautics and Space Administration, a US government agency responsible for pace exploration and research. |
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Definition
| The abiltiy of an object to remain in place forever unless a foce act upon it and the ablility of an object to remain in motion until an outside force acts on it. |
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Term
| Light Year (level 1 only) |
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Definition
| The distance light travels in 1 year. |
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Term
| Big Bang Theory (Level 1 only) |
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Definition
| A theory of how the universe began. |
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Definition
| Our current view of how that planets travel around the sun. |
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Definition
| An ancient view of the solar system that believed the sun revolved around the planets. |
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