# planetary core

> innermost layer(s) of a planet

**Wikidata**: [Q742129](https://www.wikidata.org/wiki/Q742129)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Planetary_core)  
**Source**: https://4ort.xyz/entity/planetary-core


## References

1. Freebase Data Dumps. 2013
2. [Environment Ontology](https://raw.githubusercontent.com/INCATools/environments2wikidata/master/matches/curated-high-confidence-envo.tsv)