# relativity of simultaneity

> concept that distant simultaneity is not absolute, but depends on the observer's reference frame

**Wikidata**: [Q837505](https://www.wikidata.org/wiki/Q837505)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Relativity_of_simultaneity)  
**Source**: https://4ort.xyz/entity/relativity-of-simultaneity


## References

1. Freebase Data Dumps. 2013