# Category:Unsolved problems in astronomy

> Wikimedia category

**Wikidata**: [Q7132784](https://www.wikidata.org/wiki/Q7132784)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Category:Unsolved_problems_in_astronomy)  
**Source**: https://4ort.xyz/entity/category-unsolved-problems-in-astronomy