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| spinning motion of an object on its axis |
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| an object in space that resembles the earth in size, density, and rocky composition |
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| the sum of everyting that exists |
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| materials that are very close together |
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| the force that causes bodies to be attracted to each other |
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| a natural or human-built object that orbits around another object in space |
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| hypothesis that describes how the universe began with a huge exposion |
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| the gases that surround a planet, held by gravity |
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| rock and ice particles that create a circle around some planets |
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a large planet that is made up mostly of gaseous and liquid substances with little no solid surfaces |
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| representation relationship between the sun and the planets in which the planets revolve around the sun |
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planets and other objects that orbit around the sun any star and the object that revolve around it |
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Yes or No The atmosphere of a planet protects the planet from meteors or asteroids |
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Yes or NO Pluto is now considered a minor planet |
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Yes or No All planets have satellites |
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Yes or No The moon is a satellite |
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Yes or No The outer planets are about the same size as the inner planets. |
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Yes or No Mars has been visited by manned space ships. |
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Yes or No The four inner planets and the four outer planets are separated by the asteroid belt. |
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Yes or No The geocentric model was thought up by Copernicus |
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Yes or No Sirius is the center of the solar system. |
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Yes or No The inner planets are made up of rocky dense materials |
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Yes or No According to the Big-Bang Theory, the solar system was formed when clouds of matter condensed |
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List the inner planets M V E M |
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List the outer planets J S U N |
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Jupiter Saturn Uranus Neptune |
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| In the geocentic model of the universe stars and plenets revolve around the _____________ |
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In the heliocentric model the planets revolve around the ___________ |
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