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chapt.3 study-guide

QuestionAnswer
how many miles is a light year? 6 trillion miles
what color are hot star? blue
what color is the cold stars? red
what is the width of our galaxy? 100,000 lightyears
what type of galaxy is our galaxy do we live in ? spiral
which is a brighter star 1 or 10? 1
Created by: elle_cottrell
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