# Orion Nebula

> diffuse nebula

**Wikidata**: [Q13903](https://www.wikidata.org/wiki/Q13903)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Orion_Nebula)  
**Source**: https://4ort.xyz/entity/orion-nebula


## References

1. SIMBAD
2. VizieR
3. RAMEAU
4. [Source](https://theplanets.org/star-clusters/orion-molecular-cloud-complex/)
5. Freebase Data Dumps. 2013
6. BBC Things
7. A RAVE investigation on Galactic open clusters
8. The electron temperature gradient in the galactic disk
9. Quora
10. Molonglo Reference Catalogue of Radio Sources
11. The Molonglo Reference Catalogue of radio sources
12. [Source](https://encyklopedia.pwn.pl/haslo/Wielka-Mglawica-w-Orionie;3995650.html)
13. National Library of Israel
14. [OpenAlex](https://docs.openalex.org/download-snapshot/snapshot-data-format)
15. The orbits of open clusters in the Galaxy