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A grey hole is an object from which matter and radiation escape, rise to a certain distance above the event horizon, and then fall back in. Compare to a black hole and a white hole
In the case of White Holes, Black Holes, and of Grey Holes, they all have two singularities, one in the past and one in the future.
by OneBadAsp October 20, 2006

Words related to Grey Hole

black hole white hole quantum science sci-fi ergosphere