Can Black Holes Actually Emit Radiation?

subhendu001 · Feb 5, 2011

If nothing can escape black hole(not even light), how can it radiate X-ray?

Vagn · Feb 5, 2011

subhendu001 said:

If nothing can escape black hole(not even light), how can it radiate X-ray?

Typically it is not the actual black hole that produces the X-rays. It is usually caused by gas and dust orbiting at extremely fast speeds close to but outside of the event horizon in an accretion disk. Even so it is still possible for black holes to 'emit' radiation as Hawking Radiation.

Can Black Holes Actually Emit Radiation?

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