# astrophysical maser

> naturally occurring source of stimulated spectral line emission, typically in the microwave portion of the electromagnetic spectrum

**Wikidata**: [Q1341811](https://www.wikidata.org/wiki/Q1341811)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Astrophysical_maser)  
**Source**: https://4ort.xyz/entity/astrophysical-maser


## References

1. SIMBAD
2. Freebase Data Dumps. 2013
3. KBpedia