Quantum, Relativity & Forces Explained | Pixelated Physics

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A black hole shadow ringed by a bright photon ring, with its glowing accretion disk lensed around it

What Is the Photon Sphere, and What Did the Eve...

Near a black hole there is a radius where gravity bends light into a circle: the photon sphere, at r = 3GM/c² for a non-spinning hole. It is unstable, so...

What Is the Photon Sphere, and What Did the Eve...

Near a black hole there is a radius where gravity bends light into a circle: the photon sphere, at r = 3GM/c² for a non-spinning hole. It is unstable, so...