All Questions
Tagged with supermassive-black-hole dark-matter
11
questions
10
votes
2
answers
1k
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Could we detect dark matter by black holes gaining unexplained mass?
Dark matter is said to interact only gravitationally, so it won't commonly form black holes by itself. But if a black hole is already there, and dark matter encounters the event horizon, it should go ...
- 255
1
vote
2
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128
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Could primordial black holes explain the SMBH in the galactic centers?
If there were enough primordial black holes (with the right mass) they could explain dark matter. Could they explain the gargantuan monster holes in the center of galaxies?
- 1
3
votes
1
answer
147
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Is the dark matter/baryonic matter ratio the same in galaxies with supermassive black holes?
My hypothesis is that if the ratio of dark matter/matter in galaxies with supermassive(weighing billions of suns) black holes are higher the black hole itself would be made of a large portion of dark ...
- 33
2
votes
2
answers
153
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Does the density of a black hole decrease after releasing a large amount of Hawking radiation?
Is is true that the smaller a 'regular', stellar-mass black hole is, the denser it is inside of its event horizon? After all, if you look up (or calculate) the Schwarzschild radii of the Sun and the ...
- 5,177
4
votes
1
answer
247
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Could Sgr A* be a core of dark matter instead of a supermassive black hole?
A recent paper (related news) shows that Sgr A* at the center of the Milky Way galaxy could be a dark matter core, instead of a supermassive black hole, according to their calculation using the ...
- 603
2
votes
2
answers
481
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Can dark energy or dark matter affect black holes
I was wondering if black holes are the greatest force of gravity how does other highly spoken about concepts such as dark energy or dark matter compare. Can a black hole absorb dark energy or dark ...
- 245
0
votes
1
answer
101
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How does dark SMBH evaporate?
I read that Dragonfly44 is a galaxy mostly consists of dark matter, and it should contain a super massive black hole too. If there really is a dark SMBH, how does it lose mass? I think there is no way ...
- 2,501
4
votes
1
answer
106
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Can an SMBH recycle dark matter into energy?
I just had a conceptual question, hopefully it makes for some really interesting answers.
I was wondering, as most galaxies have an SMBH at their centre (see Kormandy & Richstone 1995; Richstone ...
- 1,354
20
votes
3
answers
1k
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Could there be dark matter black holes?
Could dark matter compress and form black holes? Since dark matter is even more abundant than normal matter, a dark matter black hole should not be rare...right?
- 8,135
4
votes
2
answers
233
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Is there a connection between black holes and dark matter/energy?
Is there a spatial or gravitational relationship between black holes and dark matter/energy?
- 357
9
votes
1
answer
757
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Is there a strong galactic magnetic field?
My main question is: Is there a strong galactic magnetic field, perhaps driven by the supermassive black hole at the center of our galaxy? I am also wondering if this field would be strong enough to ...
- 4,381