Image:Ergosphere.svg
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| This is a file from the Wikimedia Commons. The description on its description page there is shown below. |
| Description |
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 |
| Date |
2007-03-02 |
| Author | |
| Permission |
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