1) Black hole term
Found on
https://www.crosswordclues.com/clue/white-hole
In general relativity, a white hole is a hypothetical region of spacetime which cannot be entered from the outside, although matter and light can escape from it. In this sense, it is the reverse of a black hole, which can only be entered from the outside, from which nothing, including light, can escape. White holes appear in the theory of eternal ...
Found on
http://en.wikipedia.org/wiki/White_hole
Art © Angelo Nero The opposite of a black hole; more precisely, a black hole that runs backward in time. The concept of a white hole comes about because the Schwarzschild geometry of a black hole allows a negative square root as well as a positive square root solution. The negative square r...
Found on
http://www.daviddarling.info/encyclopedia/W/white_hole.html
No exact match found.
