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Definition
| Piece of rock moving through space |
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Definition
| Ice, rock, dust, water, gas, that orbits around the sun |
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Definition
| Orbits around a planet, is spherical, usually made of rock, ice, gas, usually ice or rock. |
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| Where is the asteroid belt |
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Definition
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Term
| Why was the term "dwarf-planet" created |
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Definition
| Pluto was different than other planets. Scientific discoveries were made that pointed out differences. |
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Definition
| Spherical object that orbits the sun that does not clear the orbit of other planets |
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| The man credited with first using a telescope to observe the sky |
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Definition
| The large space telescope that has been orbiting Earth since 1990. It looks deeper into space than any other telescope and gathers images not possible to be gathered from within Earth's atmosphere |
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Definition
| an "old" planet that was down-graded to a dwarf planet |
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Definition
| Telescope was first used to observe space allowing people to see deeper into space with more detail |
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Definition
| First man-made satellite went into orbit |
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Definition
| First man in space, realized it was possible to reach the moon and come back |
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| someone who studies objects and events beyond earth's |
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| a ball of gas that gives off heat and light |
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Definition
| a mass smaller than a star and revolving around a star, reflecting that star's light |
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Definition
| an optical instrument that uses lens and mirrors to make an object appear larger |
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Definition
| pieces of rock that fall through the Earth's atmosphere and usually burn up |
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Definition
| a meteor that hit the ground of the Earth |
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Definition
| a collection of billions of stars and appears as a fuzzy patch |
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Definition
| The galaxy in which we live |
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