Linked Questions

2
votes
2answers
436 views

Can we add two singularities and make a single singularity? [duplicate]

My question is if we have two black hole and they will merge into each other, then where will be the singularity?
3
votes
0answers
126 views

What happens when one black hole eats another black hole? [duplicate]

Everyone seems to know about black holes. They have an absolutely massive mass, and if you go into them, time stops from an outside perspective. When a planet gets too close to a black hole, it is ...
0
votes
1answer
49 views

How do black holes join each other? [duplicate]

If black holes can swallow any object, and can radiate energy, then how could black holes join each other and can form bigger black holes?
13
votes
1answer
3k views

Can one black hole suck in another black hole?

In the recent news, scientists at NASA have found “unprecedented” black hole cluster near Andromeda’s central bulge. I wonder why doesn't all these black holes merge and such each other in until just ...
9
votes
4answers
3k views

If an anti-matter singularity and a normal matter singularity, of equal masses, collided would we (outside the event horizon) see an explosion? [duplicate]

If an anti-matter singularity and a normal matter singularity, of equal masses, collided would we (outside the event horizon) see an explosion?
-1
votes
2answers
2k views

If spacetime is folded upon itself [closed]

Say there are two black holes about a parsec apart. You theoretically fold spacetime upon itself so that the singularities of the black holes are "touching". (source: physicsoftheuniverse....
3
votes
1answer
898 views

Can a blackhole eat a blackhole?

I'm not a physicist and I do not understand maths. But I watch documentaries about "how it all began", "the big bang", "What is time", etc etc just really fascinating. I was wondering if a blackhole ...
4
votes
2answers
266 views

Problem imagining how does a black hole merger look like from far away

Suppose we have two black holes moving on a path of direct frontal collision. Is it correct that from far away, due to time dilation, we can never "detect" that the two black holes merging or ...
3
votes
1answer
183 views

If black holes almost or barely collide

Consider black holes approaching each other at some relative velocity and varying impact parameters. For impact parameters above some value they will sail past each other. For impact parameters below ...
1
vote
0answers
29 views

Event Horizons and Events [duplicate]

How can two black holes with event horizons merge within the lifetime of the universe? Basically events are happening where events stop (to the outside observer) so does an event horizon actually ...