white hole


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Related to white hole: dark matter, wormhole

white hole

n.
A hypothetical spacetime singularity similar to a black hole except that matter and energy are emitted rather than absorbed at the event horizon. Though theoretically possible according to general relativity, the existence of isolated white holes is generally considered to be physically impossible because they would violate the second law of thermodynamics, which prohibits the spontaneous reversal of many natural processes.

white′ hole′

a theoretical celestial object into which matter is funneled from a black hole.
[1970–75]

white hole

A hypothetical reverse of a black hole, from which matter emerges.
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References in periodicals archive ?
More physically it can be treated as a continuous fall of black hole matter into the white hole generated universe with its generation rate given by
uk/science/2016/04/05/space-explained-what-are-black-holes-white-holes-and-worm-holes/) wormholes that connect a black hole to a white hole somewhere else, a white hole being a place where energy is pouring out into the universe.
Pablo had one other spot he wanted to check, a houseboat wreck positioned in what locals call a white hole.
How is it that they have a massive big white hole in which to pee yet most of it ends up splattered all over the toilet seat?
But the white hole can serve as an analog because it shares an important feature with astrophysical black holes--an imaginary boundary that emits an unusual kind of radiation.
Unfortunately, direct sources of light in the darkest scenes still pose a problem (a nighttime bonfire, for example, is reduced to a flickering white hole onscreen).
A white hole is connected to a black hole by a wormhole and hypothetically is the time reversal of a black hole.
Okay, there's a bit of a white hole on the home page where 'News' should be - but it is there, behind the scenes.
The matter disappearing down a hole may, under certain circumstances, be blown 'out the other end,' creating a white hole in another twin universe.
To spend his life dedicated to that achingly beautiful art of getting a small, white ball in to a small, white hole in the middle of nowhere.
The singularities that exist prior to the pinchin off of the wormhole are white hole singularities, singularities that (like the big bang singularity) emit rather than absorb particles: they have the property K but not I.
Conversely, exiting via a white hole you can see where you're going but not where you've been.