# presolar grains

> very old dust in space

**Wikidata**: [Q336907](https://www.wikidata.org/wiki/Q336907)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Presolar_grains)  
**Source**: https://4ort.xyz/entity/presolar-grains


## References

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