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star a huge hot glowing ball of gas in the sky
nuclear fusion when the nuclei of two or more atoms join to form a single larger nucleus
light-year the distance light travels in one year
magnitude the brightness of a star
constelation a group of stars
galaxyy a huge groupingof stars
solar system the sun and the cluster of bodies around it
astronomical unit (au) the average distance of earth from the sun
what is the closest star to earth sun
Created by: restauclass
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