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Scientists have discovered a 'monster' black hole that's so big it shouldn't exist

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  • Nov 30th, 2019 7:19 pm
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3 replies
Sr. Member
Jan 10, 2009
840 posts
343 upvotes
Toronto
That's an oddly worded story, there's no theoretical limit to the size of a black hole and that one is small. Sagittarius A* at the centre of the Milky Way is estimated to be 4.1 million times the mass of our sun with a size of beyond Pluto's average orbital distance. A black hole that consumes 100 stars the size of ours would mass at least 100 solar masses.

I think what the story meant to say is it's a newly created black hole that hasn't consumed anything other than it's own stellar system, hasn't had an influx of extra-solar material, and therefore shouldn't be as big as it appears to be as otherwise it would imply more mass in a solar system than previously thought possible. (Note most black holes don't consume more than their own system if they're in a stable section of a galaxy.)
Deal Addict
Nov 2, 2005
3726 posts
1081 upvotes
Ottawa
Hmm, looks like that black hole just sucked up a load of comments from this thread!
Deal Addict
User avatar
Aug 12, 2007
3819 posts
551 upvotes
Waterloo
The Canterbury Tail wrote:
Nov 29th, 2019 5:18 pm
That's an oddly worded story, there's no theoretical limit to the size of a black hole and that one is small. Sagittarius A* at the centre of the Milky Way is estimated to be 4.1 million times the mass of our sun with a size of beyond Pluto's average orbital distance. A black hole that consumes 100 stars the size of ours would mass at least 100 solar masses.

I think what the story meant to say is it's a newly created black hole that hasn't consumed anything other than it's own stellar system, hasn't had an influx of extra-solar material, and therefore shouldn't be as big as it appears to be as otherwise it would imply more mass in a solar system than previously thought possible. (Note most black holes don't consume more than their own system if they're in a stable section of a galaxy.)
The story is "Black holes of such mass should not exist in our galaxy" , its just extrapolated into it shouldn't exist in theory at all.

to say there should be a limit to the mass of a blackhole means something else happens ( to the black hole ) when they attain the maximum mass. as far as humanity known nothing else happens.
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