All Questions
Tagged with supermassive-black-hole space-time
5
questions
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Does the (relative) distance of the photon sphere from the center of a black hole vary according its mass?
I know that the photon circle or photon sphere is located at around 1.5 times the radius of the Schwarzschild event horizon, but wouldn't it be comparatively further out for smaller black holes?
After ...
1
vote
1
answer
102
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How to convert factors of time dilation into something relatable? [duplicate]
On this post,
Time according to the gravity of Sagittarius A?
They found the factor of time on the varying distances from the SMBH, I am curious on how to turn those factors into relatable terms ...
7
votes
0
answers
315
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Gravitational eddies across the galaxy?
I read about natural gravitational eddies that travel in a wave that black holes have. They also have a strong magnetic field. Does those eddies follow magnetic field lines of the rotating black hole? ...
3
votes
1
answer
515
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How does an absolute horizon form before the apparent horizon?
If I understand it correctly, the apparent horizon is the boundary between where light directed outwards will move outwards, and light directed outwards will move inwards. Even if light is moving away ...
16
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1
answer
3k
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Time according to the gravity of Sagittarius A*?
This may be a really dumb question (I'm more of a Biologist than an Astronomer) so I apologize in advance for my little knowledge pertaining to Astronomy, but, if I'm not mistaken, time is effected by ...