# gravitational redshift

> the shift of the wavelength of a photon to a longer wavelength when traveling out of a gravitational well

**Wikidata**: [Q656181](https://www.wikidata.org/wiki/Q656181)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Gravitational_redshift)  
**Source**: https://4ort.xyz/entity/gravitational-redshift


## References

1. Freebase Data Dumps. 2013
2. [OpenAlex](https://docs.openalex.org/download-snapshot/snapshot-data-format)