# Planet Nine

> hypothetical large planet in the far outer Solar System

**Wikidata**: [Q22133699](https://www.wikidata.org/wiki/Q22133699)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Planet_Nine)  
**Source**: https://4ort.xyz/entity/planet-nine


## References

1. [Source](https://lingualibre.org/wiki/Q586707)
2. BBC Things