All Questions
Tagged with black-holes binary-stars
34
questions
3
votes
1
answer
195
views
Two naive questions about gravitational waves
My understanding of GW is that they ripple the fabric of the space-time just as accelerating charged particle emits electromagnetic radiation, accelerating massive objects produce gravitational ...
9
votes
2
answers
218
views
Two charged black holes in equilibrium
Consider a pair of (possibly rotating) charged black holes with masses $m_1$ and $m_2$, and like charges $q_1$ and $q_2$. It seems that under certain conditions gravitational attraction should exactly ...
16
votes
3
answers
41k
views
How do we determine the mass of a black hole?
Since by definition we cannot observe black holes directly, how do astronomers determine the mass of a black hole?
What observational techniques are there that would allow us to determine a black ...
14
votes
7
answers
2k
views
Binary Black Hole Solution of General Relativity?
This is rather a technical question for experts in General Relativity. An accessible link would be an accepable answer, although any additional discussion is welcome.
GR has well known solutions ...