[muawiyah]

Stuff falls into them and as it is winked out of existence there's an enormous release of energy (light, xrays, etc) and that's how we see them.

These big boys are a long way away. One theory has it that there are microminiature blackholes cruising through space and they can penetrate planets like an icepick into cold water!

Some of the super volcanoes on Earth are more easily explained as black hole puncture marks than as mantle plumes ~ but maybe they could be both.

Nobody really knows.

[Ernest_at_the_Beach]

Well,...that is a new theory for me.

I nned to read up on these blackholes.