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If we are getting an image, it is a rotating black hole. The light we see came from somewhere and didn't fall straight into the event horizon. Therefore it im
by sandworm101 5y ago
If we are getting an image, it is a rotating black hole. The light we see came from somewhere and didn't fall straight into the event horizon. Therefore it imparted some rotational energy as it dipped in and out. Therefore, any black hole emitting anything more than hawking radiation has at least some angular velocity.
- codethief 4y ago> Therefore, any black hole emitting anything more than hawking radiation What else does a black hole emit besides Hawking radiation? > Therefore it imparted some rotational energy as it dipped in and out. You're bringing up an interesting point. So any photon passing by a Schwarzschild black hole should actually set the BH in motion/rotation. Then again, I would expect these effects to cancel each other out, given a somewhat random distribution of incoming photons?