# black hole

> astronomical object so massive, that anything falling into it, including light, cannot escape its gravity

**Wikidata**: [Q589](https://www.wikidata.org/wiki/Q589)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Black_hole)  
**Source**: https://4ort.xyz/entity/black-hole


## References

1. Nuovo soggettario
2. Freebase Data Dumps. 2013
3. Integrated Authority File
4. BBC Things
5. [Black Holes - Black Hole Cam. 2016](https://blackholecam.org/research/bhshadow/)
6. [Wayback Machine](https://indico.cern.ch/event/416180/contributions/1886571/attachments/855161/1193826/marion.pdf)
7. [Source](https://www.jetp.ras.ru/cgi-bin/dn/r_153_0232.pdf)
8. [Ist das Universum ein Schwarzes Loch?](https://www.spektrum.de/frage/ist-das-universum-ein-schwarzes-loch/1756410/)
9. [Source](https://revistas.rcaap.pt/boletimspm/article/view/16879/13759/)
10. YSO-Wikidata mapping project
11. National Library of Israel
12. KBpedia