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File:Ergosphere (without text).svg

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English: Two important surfaces around a rotating black hole. The inner sphere is the static limit (the event horizon). It is the inner boundary of a region called the ergosphere. The oval-shaped surface, touching the event horizon at the poles, is the outer boundary of the ergosphere. Within the ergosphere a particle is forced (dragging of space and time) to rotate and may gain energy at the cost of the rotational energy of the black hole (Penrose process).
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Source own work based on the graphic uploaded by IMeowbot
Author MesserWoland
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 Ergosphere of a rotating black hole.svg

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current14:52, 19 June 2010Thumbnail for version as of 14:52, 19 June 20101,645 × 1,660 (7 KB)F l a n k e r (talk | contribs){{validSVG}} {{Information |Description={{en|Two important surfaces around a rotating black hole. The inner sphere is the static limit (the event horizon). It is the inner boundary of a region called the ergosphere. The oval-shaped surface, touching the e

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