# relativistic Doppler effect

> Scientific phenomenon

**Wikidata**: [Q579900](https://www.wikidata.org/wiki/Q579900)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Relativistic_Doppler_effect)  
**Source**: https://4ort.xyz/entity/relativistic-doppler-effect


## References

1. Freebase Data Dumps. 2013