The Black Hole Neighborhood

We have said that no radiation can escape from within the Schwarzschild radius. But what of the region just outside it? It turns out that material near the black hole does produce observable radiation. Matter that strays close enough to the event horizon to be drawn into it does not remain intact, but is stretched and torn apart by enormous tidal forces. In the process, energy can be released in the form of x-rays. Bright x-ray sources may point the way to black holes in the neighborhood.

Telescopes Mastery

Telescopes Mastery

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