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#22 |
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Snek
Join Date: Jan 2003
Location: Kansas
Age: 36
Posts: 9,195
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It's something about the light waves getting shorter or longer that shows that the star is getting farther and closer. Why that automatically means the universe is expanding I'm not sure. Which is what i was saying earlier about how it could be evidence for something else and we just aren't looking for it.
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