All Questions
Tagged with cosmology supermassive-black-hole
8
questions
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Is the hypothetical '(Don) Page curve' of evaporating black holes equal in time, so to speak, on both sides of the curve?
I have heard that Hawking radiation is slow at first, but rapidly increases when the black hole becomes much smaller... (I forget the formula...)
Does that mean that the second half of Page's curve, ...
13
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4
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How can a black hole have a charge, or be charged?
So-called 'hairless' black holes (no-hair theory, or theorem?) , which is what real black holes are, can be described by just three characteristics: Mass, spin, and charge.
It is easy enough to ...
-2
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2
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158
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Does black hole singularity really exists with respective to relative frame of reference? [duplicate]
How can one describe this phenomena?
What are the factors that we should consider for solving such a problem?
3
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1
answer
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Would DCBH form supermassive stars first before BH formation
In reading some literature it seems ambiguous (intentionally?) as to the path that Direct Collapse Black Holes (DCBH) take. Some papers do talk about pristine Halos collapsing to form supermassive ...
2
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Galactic Filaments and their connection to Galaxy centre
If alliptical galaxies seem to a line with their associated galactic filament and that orientation is related to connections between the mass of said galaxy and the dominating central object, which ...
13
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2
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Why is there a supermassive black hole at the center of every galaxy?
According to https://en.wikipedia.org/wiki/Sphere_of_influence_(black_hole) the gravitational sphere of influence of a supermassive black hole is really limited compared to the size of its hosting ...
3
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1
answer
446
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Star versus Black Hole
I'm making a simplified animation for college project on how a star reacts with a black hole. I had known that a black hole sucks in everything and thus should be doing the same for stars. But upon my ...
11
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Are we moving ever closer to the center of our Galaxy due to a super massive black hole?
I've seen in documentaries that at the center of each galaxy is a super massive black hole which holds the galaxy together.
Since black holes have such a strong pull, are we slowly being pulled in ...