Astronomy and Celestial Bodies

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Asteroid

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Any of numerous small celestial bodies composed of rock and metal that move around the sun (mainly between the orbits of Mars and Jupiter)

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Astronomy

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The study of the moon, stars, and other objects in space

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Atmosphere

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A mixture of gases that surrounds a planet or moon

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Celestial Bodies

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All objects seen in the sky (the sun, moon, stars and planets)

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Comet

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A ball of frozen gases, dust and rock that orbits the sun and has a tail that glows

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Constellation

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A group of stars that form a pattern in the sky

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Craters

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A large round pit caused by the impact of a meteoroid

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Earth

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3rd planet from the sun; has an atmosphere that protects life & surface temperatures that allow water to exist as a solid, liquid & gas.

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Gas Giants

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The name given to the first four outer planets: Jupiter, Saturn, Uranus and Neptune

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Gravity

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A force of attraction between objects that is due to their masses.