# Kruskal–Szekeres coordinates

> coordinate system for the Schwarzschild geometry

**Wikidata**: [Q1478885](https://www.wikidata.org/wiki/Q1478885)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Kruskal–Szekeres_coordinates)  
**Source**: https://4ort.xyz/entity/kruskal-szekeres-coordinates


## References

1. Freebase Data Dumps. 2013