# particle horizon

> the maximum distance from which light from particles could have traveled to the observer during the age of the universe

**Wikidata**: [Q2482717](https://www.wikidata.org/wiki/Q2482717)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Particle_horizon)  
**Source**: https://4ort.xyz/entity/particle-horizon


## References

1. [OpenAlex](https://docs.openalex.org/download-snapshot/snapshot-data-format)