# Vulcan

> hypothetical planet between the Sun and Mercury

**Wikidata**: [Q213636](https://www.wikidata.org/wiki/Q213636)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Vulcan_(hypothetical_planet))  
**Source**: https://4ort.xyz/entity/vulcan-q213636


## References

1. Freebase Data Dumps. 2013
2. BBC Things