Re: origin of life and such
Robin Mandell (email@example.com)
Mon, 14 Dec 1998 21:17:06 -0600
At 09:47 PM 12/14/98 -0500, George Murphy wrote:
> Andrew asked.........
>> c) if neutrinos have mass would that open back up the possibility of a
>> eternally oscillating universe ( no beginning) or do those two ideas have
>> nothing to do with each other.
> A neutrino rest mass _might_ make cosmic expansion evenmtually stop &
>leading to a "big crunch". But to get from there to an oscillating
universe is harder.
>It would require first some process to cause the universe to "bounce" at
>size. Then you would have to contend with the effect which Tolman
discovered in the
>30s, that such a bouncing universe will actually _grow_ in size on each
bounce. It is
>conceivable that this could be avoided if the parameters characterizing
>were appropriately reset in each bounce but there is no good reason to
think that this
Thanks for the explanation. Just out of curiosity, do you think most
physicists are as sure of a beginining some say or is it very debated
still? Do you think
an oscillating universe is a theological problem?