Posted by: A. C. Cockerill | December 13, 2011

Factoid #20: Black Hole

Factoid #20:

An area of spacetime (3D space + time) where gravity is so strong not even light can escape is called a black hole. However, black holes aren’t perfect. They release tiny amounts of thermal radiation–called Hawking radiation. So in theory, black holes will slowly evaporate.


  1. Thanks for the fact, Ashley. I adore anything in science that has to do with the space-time continuum. Are black holes involved in any theories about time travel?

    • You’re so welcome, Jolyse. And yes, black holes and white holes (the opposite of black holes, everything including light escapes) are connected by Einstein-Rosen bridges, also called wormholes. Much of the speculation about time travel involves wormholes. Cheers, Ashley

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