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The Astroholic Explains – S01E02 Black Holes: Friends of Foes?

17 Nov 2019, 16:25 UTC
The Astroholic Explains – S01E02 Black Holes: Friends of Foes?
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Hello and welcome to The Astroholic Explains. I am your host producer Chris!

And I’m Dr. Alfredo Carpineti. This is a podcast for people to ask me questions about astronomy, and I’ll do my very best to answer them.

Okay, so my question for you today. This one is inspired by V 404 Cygni, the stellar-mass black hole with the wobble that’s been caused by gravity dragging space-time around. Does the supermassive black hole at the centre of our Milky Way, Sagittarius A*, have an accretion disk? And if not, could it one day? And if it forms a jet, What would that mean for the Milky Way?

Whoa, that is a lot of stuff.

Only the big questions here!

Shall we start with V404 Cygni?

If you want, you can start with that one or you could just start with…

No, I think I think we need to give a bit of background because we jump in full force in the previous episode. V404 Cygni is a stellar-mass black hole, which means that it is more or less the size of what a star could be: its nine times the mass of the Sun. And something that ...

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