# Can different black holes cast the same shadow?

> Research article (Physical review. D/Physical review. D., 2021) · cited 115× · AI/ML

**Wikidata**: [openalex:W3157597932](https://www.wikidata.org/wiki/openalex:W3157597932)  
**Source**: https://4ort.xyz/entity/can-different-black-holes-cast-the-same-shadow