Re: gravity and black holes



conradeaton@xxxxxxxxxxx wrote:
>
> Please excuse my ignorance. I know there are theories concerning
> gravity waves and gravity quanta (gravitons). Light does not escape
> the gravity of large black holes.

or small ones, other than Hawking radiation in all cases.

> I guess that a naive explanation of
> this is that photons have energy and are therefor equivalent to mass.
> Is that right? Why do gravity waves/gravitons escape their own
> gravity? Does this tell us anything about the nature of gravity waves,
> should they exist?

Illucid. If local escape velocity exceeds lighspeed, you have a black
hole. A gravitationally bound atomic nucleus with more than about 1.5
solar masses will do it. Beware the backwash when it compacts.

--
Uncle Al
http://www.mazepath.com/uncleal/
(Toxic URL! Unsafe for children and most mammals)
http://www.mazepath.com/uncleal/qz.pdf
.



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