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Universe study stack

TermDefinition
Universe Space and all the matter and energy in it
Light year The distance that light travels in one year; about 9.46 trillion kilometers
Solar system The sun and all of the planets and other bodies that travel around it
Galaxy planet A collection of star,dust, and gas bound together by gravity.
Star A large celestial body that is composed of gas and that emits the light; the sun is a typical star
Astronomical - unit The average distance between the earth and sun; approximately 150 million kilometers symbol , AU.
Created by: 4801819085
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