[OldNavyVet]

The swirls around the hole resemble those in a washbowl sink ... indicating that graviy prevails out there, as it does on earth.

[kaboom]

but if all matter that enters it is destroyed, why doesn't it stay the same size?

apologies to all for breaking from the standard humor portion of this broadcast.

[MadMax, the Grinning Reaper]

You must have seen the movie “Black Hole”, a Disney film, in the late 70’s, with Maximillian Schell, Ernest Borgnine, Yvette Mimieux (Always beatiful like a star), one of the Bottoms boys, and Old Bob.