Physics · Black Holes
What causes the bright, visible ring associated with the photon sphere of a black hole?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Strong gravitational lensing bending the path of photons emitted from nearby hot gas.✓
- 2Nuclear fusion occurring within the dense region of trapped light.
- 3The annihilation of dark matter particles outside the event horizon.
- 4Friction between cosmic dust particles interacting within the singularity.
Correct answer
Strong gravitational lensing bending the path of photons emitted from nearby hot gas.
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