# Barnard 68

> dark nebula

**Wikidata**: [Q570240](https://www.wikidata.org/wiki/Q570240)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Barnard_68)  
**Source**: https://4ort.xyz/entity/barnard-68


## References

1. SIMBAD
2. Freebase Data Dumps. 2013
3. Ammonia survey of small dark clouds
4. The Thermal Structure of Gas in Prestellar Cores: A Case Study of Barnard 68