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solar system

planets, earth, sun, moon

meteoroid small chunks of rock and debris that orbit the sun
meteorite a part of a meteor that falls to the surface of a planet or moon without completely burning up
meteor a piece of rock or metal falling through a planets atmosphere
astronomical unit the average distance from earth to the sun
oort cloud an area containing trillions of comets
revolution the movement of one object around another in orbit
solar system a star and the celestial objects that orbit it
comets an object made of ice and dust that orbit the sun
heliosphere the outside of the sun
asteroid rock and debris left over from the early formation of the solar system
Kuiper belt an area in our solar system reaching to about 15 billion kilometers
rotation the act of spinning or turning around a central point
Created by: Rosel1540