# X-ray astronomy

> branch of astronomy that uses X-ray observation

**Wikidata**: [Q1852](https://www.wikidata.org/wiki/Q1852)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/X-ray_astronomy)  
**Source**: https://4ort.xyz/entity/x-ray-astronomy


## References

1. Integrated Authority File
2. Encyclopedic Dictionary of Astronomy
3. Freebase Data Dumps. 2013
4. BabelNet
5. National Library of Israel Names and Subjects Authority File
6. [OpenAlex](https://docs.openalex.org/download-snapshot/snapshot-data-format)