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Topic	How do we know the universe is expanding from a single point?
DoctorVader 05/08/17 4:43:17 AM #8:	KeyBlade999 posted... 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. Huh? I meant looking back into the early Universe, around a few tens of hundreds of million years after the Big Bang and seeing the building blocks of the Universe at their simplest form. --- It all just disappears, doesn't it? Everything you are, gone in a moment, like breath on a mirror. - The Doctor <cite>DoctorVader posted [p:878685060] in How do we ... [t:75316576]...</cite> <quote><cite>KeyBlade999 posted...</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.</quote> Huh? I meant looking back into the early Universe, around a few tens of hundreds of million years after the Big Bang and seeing the building blocks of the Universe at their simplest form. --- It all just disappears, doesn't it? Everything you are, gone in a moment, like breath on a mirror. - The Doctor</quote> ... Copied to Clipboard!
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