# Kármán line

> popular defined boundary of outer space

**Wikidata**: [Q275565](https://www.wikidata.org/wiki/Q275565)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Kármán_line)  
**Source**: https://4ort.xyz/entity/k-rm-n-line


## References

1. [Source](https://lingualibre.org/wiki/Q811976)
2. Freebase Data Dumps. 2013
3. Quora