# ergosphere

> region located outside a rotating black hole's outer event horizon, from which energy can be extracted via the Penrose process

**Wikidata**: [Q656650](https://www.wikidata.org/wiki/Q656650)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Ergosphere)  
**Source**: https://4ort.xyz/entity/ergosphere


## References

1. Freebase Data Dumps. 2013
2. Quora