# Halley's Comet

> short-period comet visible from Earth every 75–76 years

**Wikidata**: [Q23054](https://www.wikidata.org/wiki/Q23054)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Halley's_Comet)  
**Source**: https://4ort.xyz/entity/halley-s-comet


## References

1. [JPL Small-Body Database](https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=1000036)
2. A Short History of Astronomy
3. Virtual International Authority File
4. [Source](https://bbc.com/news/science-environment-11255168)
5. [Source](https://newscientist.com/article/mg20727774-400-ancient-greeks-spotted-halleys-comet/)
6. Freebase Data Dumps. 2013
7. JPL Small-Body Database
8. Nuovo soggettario
9. Gas flow and dust acceleration in a cometary Knudsen layer
10. [Source](http://www.springerlink.com/content/0r3801302547v3x8/)
11. YSO-Wikidata mapping project
12. The Sizes, Shapes, Albedos, and Colors of Cometary Nuclei
13. [Source](https://naif.jpl.nasa.gov/pub/naif/toolkit_docs/C/req/naif_ids.html)
14. Observational constraints on surface characteristics of comet nuclei
15. [Source](https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?des=1P)
16. [OpenAlex](https://docs.openalex.org/download-snapshot/snapshot-data-format)