ergosphere
English edit
Etymology edit
From ergo- + -sphere. Coined by Remo Ruffini and John Archibald Wheeler in 1971 in reference to the fact that it is theoretically possible to extract energy from the region.
Pronunciation edit
Audio (UK) (file)
Noun edit
ergosphere (plural ergospheres)
- (physics) A region outside the event horizon of a rotating black hole in which space and time are distorted by shear forces.
Translations edit
region outside the event horizon of a black hole
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