gib65 Posted December 30, 2018 Share Posted December 30, 2018 I am told that scientists don’t know what happened within the first picosecond of the universe. If this is true, I have a question: How do they know it was a picosecond? I guess the assumption is that if you extrapolate the current expansion of the universe back to its origin, you don’t have to assume anything unusual in the first picosecond. But what if scientists could somehow see into the first picosecond? Is it possible that what they find is that it was way longer than a picosecond? In other words, the universe originally started expanding very slowly, and for the longest time didn’t grow much bigger than its original size, and then for some reason went through the explosive expansion scientists are familiar with? Link to comment Share on other sites More sharing options...
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