Gravity's Magic

David Morris fqmorris at gmail.com
Thu May 10 10:15:16 CDT 2012


> From: Prashant Kumar <p.kumar at physics.usyd.edu.au>
>
> Subject: Re: Gravity's Magic
>
> That's what a singularity is. A point in space in which the force due to gravity is infinite.

I trust Prashnat knows whereof he speaks, even though the concepts are
difficult to follow, probably partly due to the limits of terminology.

I've always wondered about the limits of black holes.  I take it some
are larger than others (or am I wrong?).  So that implies infinite
gravity contained within a physically limited size, right?  I ask,
because I've never been able to understand why all the cosmos hasn't
been engulfed by the first black hole that popped into existence.  Why
isn't the Universe contracting into a black hole instead of continuing
to expand?

Probably way to complex for a simple answer...

David Morris



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