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astronomy science

vocab words

nubulas a large cloud of gas and dust in interstellar space a region in space where stars are born explode at the end of their lives
solar nebula a cloud of gas and dust that formed our solar system
nuclear fusion the combination of the nuclei of small atoms to form nucleus releases engery
sunspot a dark area of the photosphere of the sun that is cooler than the surrounding areas and that has a strong magnetic field
crust the thin layer and solid outermost layer of the earth above the mantle
mantle the layer of the rock between the earths crust and core
core the central part of the earth below the mantle
rotation the spin of a body on its axis
orbit the path that a body follows as it travels around another body in space
revolution the motion of a body that travels around another body in space one complete trip along an orbit.
Created by: christieanderson