# Fraunhofer lines

> spectral lines of the Sun

**Wikidata**: [Q311552](https://www.wikidata.org/wiki/Q311552)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Fraunhofer_lines)  
**Source**: https://4ort.xyz/entity/fraunhofer-lines


## References

1. A Short History of Astronomy
2. Freebase Data Dumps. 2013