# Royal Observatory

> observatory in Greenwich, London, UK

**Wikidata**: [Q192988](https://www.wikidata.org/wiki/Q192988)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Royal_Observatory,_Greenwich)  
**Source**: https://4ort.xyz/entity/royal-observatory


## References

1. National Heritage List for England
2. Virtual International Authority File
3. Greenwich Time and the Longitude (1997)
4. [Why the Greenwich meridian moved](https://link.springer.com/article/10.1007%2Fs00190-015-0844-y)
5. Freebase Data Dumps. 2013
6. Czech National Authority Database
7. [Source](http://www.minorplanetcenter.net/iau/lists/ObsCodesF.html)
8. GeoNames
9. BBC Things
10. GRID Release 2020-06-29
11. [FindThatCharity.uk](https://findthatcharity.uk/orgid/XI-ROR-03ez0zf69)
12. HAL