# umbra, penumbra and antumbra

> distinct parts of a shadow

**Wikidata**: [Q1068535](https://www.wikidata.org/wiki/Q1068535)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Umbra,_penumbra_and_antumbra)  
**Source**: https://4ort.xyz/entity/umbra-penumbra-and-antumbra


## References

1. Freebase Data Dumps. 2013