# density wave theory

> theory to explain the spiral arm structure of spiral galaxies

**Wikidata**: [Q1209551](https://www.wikidata.org/wiki/Q1209551)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Density_wave_theory)  
**Source**: https://4ort.xyz/entity/density-wave-theory


## References

1. Freebase Data Dumps. 2013
2. [OpenAlex](https://docs.openalex.org/download-snapshot/snapshot-data-format)