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whichbe commented on the word planck epoch
The earliest period of time in the history of the universe, from zero to approximately 10-43 seconds (one Planck time), during which quantum effects of gravity were significant. One could also say that it is the earliest moment in time, as the Planck time is perhaps the shortest possible interval of time, and the Planck epoch lasted only this brief instant. (Wikipedia)
May 22, 2008