# dark matter

> mysterious non-luminous matter (and/or radiation) comprising most of the matter in our observable universe

**Wikidata**: [Q79925](https://www.wikidata.org/wiki/Q79925)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Dark_matter)  
**Source**: https://4ort.xyz/entity/dark-matter


## References

1. Library of Congress Authorities
2. [Source](https://github.com/JohnMarkOckerbloom/ftl/blob/master/data/wikimap)
3. Integrated Authority File
4. Nuovo soggettario
5. Czech National Authority Database
6. Freebase Data Dumps. 2013
7. BBC Things
8. YSO-Wikidata mapping project
9. BabelNet
10. Quora
11. [Dark matter | Memory Alpha | Fandom](https://memory-alpha.fandom.com/wiki/Dark_matter)
12. KBpedia
13. [OpenAlex](https://docs.openalex.org/download-snapshot/snapshot-data-format)