Two Black Holes At The Fringe Of The Galaxy

For Love And Glory, XIX.

Here is a by now familiar thought:

"...explorers were still ranging only this one tiny segment of a thinly populated outer fringe of the galaxy." (p. 111) (See here.)

"...thinly populated..." probably refers to star density.

Interesting facts about black holes:

an event horizon is asteroid-sized, sometimes, though not always, visible like a small blot;

matter pulled in, e.g., from a companion star, forms an accelerating, spiraling accretion disc emitting "...a blaze of energy..." (ibid.);

there are billions of black holes;

Hawking radiation and quantum tunneling are interesting phenomena, except that I cannot make sense of the latter and it seems not to mean what it sounds like;

"...space and time interchangeably distorted..." (p. 112);

the Monster, a giant black hole at the galactic center, is hidden by dust clouds and its released energy would destroy any approaching organism or mechanism.

Does interchangeability of space and time mean that what has been experienced as a temporal interval can come to be perceived instead as a spatial distance? (See here.) Imagine...

That's all till next month.