All Questions
13
questions
0
votes
3
answers
186
views
Is the size of a black hole singularity smaller than a fundamental particle?
I am wondering about the size of a black hole singularity. We know that a classical black hole is infinitely dense. I am not asking about size of event horizon. I am asking about actual size of the ...
0
votes
2
answers
105
views
Realistic black holes
If I understand the answers provided in this Link Why singularity in a black hole, and not just "very dense"?
Then the singularity at $r=0$ may just be a mathematical artifact, and may not ...
1
vote
0
answers
50
views
1
vote
1
answer
72
views
Can super heavy elements form inside black holes?
I have read that heavy elements like gold and uranium are formed due to extreme pressure, through a process similar to nuclear fission. I wonder if something like atomic no. 500 or 5000 could form ...
2
votes
2
answers
157
views
Star collapses to a singularity or is collapsing into singularity?
This has bothered me for a while now, however I barely have a vocabulary to ask it. Please let me try.
When a star, at the end of its life starts to collapse into the black hole, all the atomic forces ...
- 155
6
votes
4
answers
282
views
What happens to the matter already at the very center of the star when it turns to a black hole?
I was wondering whether when an object collapses into a black hole, the matter in the position $r=0$, instantly becomes part of the singularity, or does it take time to fall into the singularity, and ...
- 1,534
-1
votes
3
answers
286
views
Is a black hole a single particle or a bunch of particles that binds together?
We know that in a neutron star all electrons and protons combine together and make neutrons because of the gravitational pulls. We also know that a black hole is much denser than a neutron star, we ...
0
votes
1
answer
64
views
Black hole supernova [closed]
This is a question about my intuition of black holes.
Assumption: The creation of a black hole follows the same physics as the creation of stars. A star can supernova, I'm assuming a black hole also ...
- 101
1
vote
1
answer
128
views
How did the Holm 15A Galaxy BH reach 40 Billion Solar Masses?
The most massive supermassive black hole discovered to date lies within the Abell 85 galaxy cluster. At the heart of this cluster is the galaxy Holm 15A, containing an estimated 2 trillion solar masse ...
- 2,706
0
votes
1
answer
373
views
Anatomy of a black hole: which are its layers?
I'm trying to find out how a Kerr-type black hole is structured (that is, a black hole with non-zero angular momentum but no net electrical charge). According to the information I have found, the ...
- 580
2
votes
1
answer
2k
views
Could the singularity of a black hole just be an iron / dark matter sphere? [duplicate]
A singularity would break physics wouldn't it? How does a massive star collapse and suddenly fall into a point in space with no dimensions what so ever when it had a core and perfect balance between ...
anon
0
votes
2
answers
92
views
Can there be a Singularity Knot?
On studying the pictures representing the warping of space-time due to Black Holes, I realised the denser the black hole is the shorter its Event Horizon becomes, can we reach a point where we would ...
- 1,368
2
votes
1
answer
337
views
Why are black hole singularities stable?
The Friedmann equations says that huge matter densities lead to huge expansion rates. In Newtonian gravity, two massive point particles separated by an infinitesimal distance will experience an ...
- 2,558