Re: 1c+1c Closing Velocity...,answer to Henri Wilson
From: David Evens (devens_at_technologist.com)
Date: 02/15/05
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Date: Tue, 15 Feb 2005 03:56:09 -0500
On Sat, 12 Feb 2005 17:00:04 GMT, The Ghost In The Machine
<ewill@sirius.athghost7038suus.net> wrote:
>[much else]
>I have no idea what you mean here, but neutrinos are particles,
>like any other. To suggest that they somehow go faster than
>light makes little sense, especially since they're being
>created by a process in the star's core -- one might call it
>the final iron collapse, if I'm not mistaken.
I think you are, actually. Most of the neutrino flood immediately
preceeds final core collapse, and actually helps to drain energy out
of the core in such a way that the core is forced to rapidly contract
and heat to compensate for the new energy drain. The core rapidly
reaches temperatures at which photon energies are high enough to cause
iron neuclein to photodisintegrate back into helium neuclei, which
absorbs vast ammount of energy and increases the pressure enourmously,
which triggers a final collapse into neucleonic degeneracy. What
happens then depends on the details of how the layers above bounce and
where the shockwaves start the actually move the material: You can
get anything from a colapse into an event horizon to total explosion
without leaving a stellar corpse.
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