# blueshift

> any decrease in wavelength (increase in frequency)

**Wikidata**: [Q845345](https://www.wikidata.org/wiki/Q845345)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Blueshift)  
**Source**: https://4ort.xyz/entity/blueshift


## References

1. Freebase Data Dumps. 2013
2. Quora