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solar system
planets, earth, sun, moon
Question | Answer |
---|---|
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 |