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Originally Posted by Stompy
As for the color of stars.. doesn't it have to do with how fast they're moving in relation to us?
I was reading something that said.. if you could go the speed of light, things in front of you would be blue while things behind you would be red. It later went to give examples of red/blue stars.
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How an object is moving relative to us changes it's color, but isn't what causes it's color. Stars can be almost any color based on temerature and composition. An object moving toword us will be bluer than normal, and an object moving away will be redder.