[ExI] First Picture of a Black Hole!

[John Clark]

On Wed, Apr 10, 2019 at 11:17 PM Darin Sunley <dsunley at gmail.com> wrote:

Ask, and ye shall receive :
>
> https://xkcd.com/2135/
>

It's interesting that because the density of a Black Hole is inversely
proportional to the square of the mass the density of M87's Black Hole is
about that of air. Well it is if you count the Event Horizon as being the
boundary of the thing; Einstein says there is a point of infinite density
at the center although Quantum Mechanics disagrees. Nobody knows who's
right.

John K Clark



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