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How fast did the universe expand at the absolute start? The numbers I have are: In one trillionth of a trillionth of a trillionth of a second, the universe was already .84 inches in radius. So, how fast was the expansion?

Guest Apr 5, 2017
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If you assume that the size of the Universe, before big bang, was about 10^-40 meters, then

10^-40 * e^x =.84, solve for x

x~90, or about 132 doublings in 10^-36 seconds!!.

Guest Apr 5, 2017

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