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Originally Posted by dipayankar  Hi Llyod, The CMBR has not decayed in 13 billion years. Will it decay between bangs?? I doubt it... |
Stephen Hawking already calculated its decay at 10^137 years, back in the seventies. 10^137 years is a far cry from 13.7 billion years. The entire finite universe is much longer existing than most realize, when total atomic and sub-atomic decay is considered... If you do that 10^137 years math, you'll find it's trillions of trillions of years... Oh it's true the stars will burn out long before that time, but decay of the remaining matter, cmbr and other radiation will be around a very long time... Then maybe, if the universe is lucky, there'll be another re-constitution of this micro-state phase space matter into another big-bang... Hello, new universe...
Regards,
Lloyd