Solar System Questions – Flashcards
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atmosphere
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all the gases which surround a star or a planet
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rotate
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turn around a center point
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mercury
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the second smallest planet in our solar system
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saturn
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the planet is surrounded by over 1000 rings of ice and dust
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asteroid
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a rocky space object of varying size
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comet
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a big ball of dirty ice and snow in outer space
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earth
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third closet planet to the sun
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solar
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having to do with the sun
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neptune
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planet has a moon called trition
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universe
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the huge space which contains all of the matter and energy in existence
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meteorite
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piece of stone or metal from space that falls to earth surface
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orbit
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path followed by an object in space as it goes around another object
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revolve
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to move in an orbit or circle around something
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pluto
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smallest planet
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mars
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iron in the soil gives this planet its red color
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satellite
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object is so large that all of the other planets could fit inside it
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uranus
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planet tilts over so far on its axis that it rotates on its side
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venus
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planet is sometimes called the evening star and is the closest lanet to the earth