# Testing the rotational nature of the supermassive object M87* from the circularity and size of its first image

> Research article (Physical review. D/Physical review. D., 2019) · cited 466× · AI/ML

**Wikidata**: [openalex:W2971100406](https://www.wikidata.org/wiki/openalex:W2971100406)  
**Source**: https://4ort.xyz/entity/testing-the-rotational-nature-of-the-supermassive-object-m87-from-the-circularity-and-size-of-its-first-image