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2 votes
1 answer
144 views

A couple of questions on Hawking radiation

1 vote
0 answers
50 views

Moon mass object hitting Earth vs Moon mass blackhole hitting Earth damage comparison

4 votes
2 answers
433 views

What is the "hypothesized lower mass gap" between 2.5 and 5 solar masses?

3 votes
2 answers
174 views

Do all black holes, including stellar-mass ones, rotate at nearly the speed of light? Also, what exactly does that do to their shape?

2 votes
1 answer
113 views

How ultra massive black holes would " disrupt the accretion discs that feed them" beyond some upper limit to their masses?

17 votes
4 answers
10k views

Is there a maximum size for a black hole?

0 votes
0 answers
135 views

My question is about the warp of time and space near black holes

12 votes
4 answers
5k views

How can a black hole have a charge, or be charged?

2 votes
3 answers
300 views

Is there evidence against a Universe Black Hole?

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2 answers
2k views

What if hypothetically Ton 618 could have been a star

3 votes
1 answer
130 views

Can a quasi-star develop a stable crust?

11 votes
1 answer
267 views

Why would a black hole have a disk, but not emit x-rays?

6 votes
2 answers
1k views

What are the most up to date, accepted, evolution stages of big stars that end in compact objects or a planetary nebula?

23 votes
3 answers
13k views

Maximum spin rate of a black hole?

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