# world line

> unique path of an object as it travels through 4-dimensional spacetime

**Wikidata**: [Q856292](https://www.wikidata.org/wiki/Q856292)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/World_line)  
**Source**: https://4ort.xyz/entity/world-line


## References

1. Integrated Authority File
2. Freebase Data Dumps. 2013
3. National Library of Israel
4. [OpenAlex](https://docs.openalex.org/download-snapshot/snapshot-data-format)