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Topic	How do we know the universe is expanding from a single point?
KeyBlade999 05/08/17 4:34:23 AM #7:	you can actually look back about 13 billion years and see how the Universe was in the beginning. Er, IIRC photons weren't emitted until like 300,000 years after the Big Bang. I think it had something to do with the temperature cooling enough to separate electromagnetism from the other fundamental forces. --- ''I see now that the circumstances of one's birth are irrelevant. It is what you do with the gift of life that determines who you are.'' - Mewtwo <cite>KeyBlade999 posted [p:878684885] in How do we ... [t:75316576]...</cite> <quote><quote>you can actually look back about 13 billion years and see how the Universe was in the beginning.</quote> Er, IIRC photons weren't emitted until like 300,000 years after the Big Bang. I think it had something to do with the temperature cooling enough to separate electromagnetism from the other fundamental forces. --- ''I see now that the circumstances of one's birth are irrelevant. It is what you do with the gift of life that determines who you are.'' - Mewtwo</quote> ... Copied to Clipboard!
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