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Ch 20 sec. 2&4

QuestionAnswer
the combonation of the nuclei of small atoms to form a larger nucleus; releases energy nuclear fusion
a dark area of the photosphere of the sun that is cooler than surrounding areas and that has a strong magnetic field sun spot
the suns outer atmosphere corona
a thin region below the corona only 30,000 km thick chromosphere
the visible part of the sun that we can see from earth photosphere
a region about 20,000 km thick where gases circulate convective zone
a very dense region about 30,000 km thick radiative zone
the center of the sun where the suns energy is produced core
the spin of a body on it's axis rotation
the path that a body follows as it travels around another body orbit
the motion of a body that travels around another body in space; one complete trip along an orbit revolution
a large cloud of gas and dust in interstellar space; where stars are born or where stars explode at the end of their lives nebula
the cloud of gas and dust that formed our solar system solar nebula
Created by: rzack
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