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chapt.3 study-guide
Question | Answer |
---|---|
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 |