Thursday, December 31, 2020

Black Holes Change Stars

 So, it turns out there are remarkably fewer red giants within 1.6 light years of the Milky Way's central black hole.

The theory is that the black hole likes to give off jets of gas from its accretion disc, which then ripped outer layers from nearby red giants, turning them blue.

But not everyone buys it. There's another theory that the black hole had a large disc of gas around it which also did the same thing.

Either way, black holes and red giants don't seem to get on...

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