# Neptune

> eighth and farthest planet from the Sun in the Solar System, mainly composed of ice and rock

**Wikidata**: [Q332](https://www.wikidata.org/wiki/Q332)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Neptune)  
**Source**: https://4ort.xyz/entity/neptune

## Summary

Neptune is a place with an area of 7.6B[1]. This measurement defines the total spatial extent of the entity.


## References

1. A Short History of Astronomy
2. Integrated Authority File
3. [Source](https://lingualibre.org/wiki/Q586703)
4. [Source](http://solarviews.com/eng/neptune.htm)
5. Source
6. Freebase Data Dumps. 2013
7. Virtual International Authority File
8. Keplerian elements for approximate positions of the major planets
9. [Source](https://nssdc.gsfc.nasa.gov/planetary/factsheet/neptunefact.html)
10. BBC Things
11. [Source](https://arxiv.org/ftp/arxiv/papers/1007/1007.4497.pdf)
12. Report of the IAU Working Group on Cartographic Coordinates and Rotational Elements: 2009
13. [Source](https://science.nasa.gov/neptune/neptune-facts/#h-orbit-and-rotation)
14. YSO-Wikidata mapping project
15. [Source](https://naif.jpl.nasa.gov/pub/naif/toolkit_docs/C/req/naif_ids.html)
16. [Source](http://nssdc.gsfc.nasa.gov/planetary/factsheet/neptunefact.html)
17. [NASA FACTS](https://nssdc.gsfc.nasa.gov/planetary/factsheet/neptunefact.html)
18. [Neptune - RationalWiki](https://rationalwiki.org/wiki/Neptune)
19. National Library of Israel Names and Subjects Authority File
20. KBpedia
21. [OpenAlex](https://docs.openalex.org/download-snapshot/snapshot-data-format)
22. [Neptune - Facts, Info, Trivia | Famous Birthdays](https://www.famousbirthdays.com/planets/neptune.html)