Imagine the pressure you'd feel at the bottom of the Mariana Trench. - sci.math

Message from discussion Imagine the pressure you'd feel at the bottom of the Mariana Trench.

Henry Wilson DSc

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More options Nov 7 2009, 6:11 am

Newsgroups: sci.math, sci.physics, alt.astronomy, sci.physics.relativity

From: HW@..(Henry Wilson DSc).

Date: Sat, 07 Nov 2009 06:11:07 GMT

Local: Sat, Nov 7 2009 6:11 am

Subject: Re: Imagine the pressure you'd feel at the bottom of the Mariana Trench.

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On Fri, 6 Nov 2009 21:24:53 -0000, "Androcles" <Headmas...@Hogwarts.physics_p>
wrote:

>"Henry Wilson DSc ." <HW@..> wrote in message
>news:6609f5l470q2k3fhinr38fi87fau9ctmpn@4ax.com...
>> On Fri, 06 Nov 2009 18:26:30 GMT, Sam Wormley <sworml...@mchsi.com> wrote:

>>>Henry Wilson DSc wrote:

>>>> Wormey, what exactly causes a SN to explode?

>>> Contributors include shock wave bounce and a tremendous outpouring of
>>> neutrinos.

>>> In the case of SN 1987A
>>> o total anti-neutrino energy 3 x 10^52 erg
>>> o total neutrino energy 2.5 x 10^53 erg
>>> o total neutrino luminosity 10^55 erg/s
>>> o average neutrino temperature 4 MeV or 10^10 K
>>> o number of neutrinos produced 10^58 neutrinos

>>> o neutrino flux density at the earth 5 x 10^10 /cm^2

>> Which comes first, the neutrinos or the explosion?

>Two stars collided for that one. You can clearly see the double
>ejecta.
> http://www.public.asu.edu/~rjansen/localgroup/SN1987A_Challis.jpg

I wouldn't want to try to work it out.

Henry Wilson...www.scisite.info/index.htm

Einstein...World's greatest SciFi writer..

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