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marschall33
fiddlesticks
Question | Answer |
---|---|
star | a huge,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 |
magniitude | the brightness of a star |
constellation | a group of stars |
galaxy | a huge grouping of stars |
solar system | the sun and the cluster of bodies around it |
AU (ASTRONOMICAL UNIT) | THE AVERAGE DISTANCE FROM THE SUN |