# Vaidya metric

> non-empty external spacetime of a spherically symmetric and nonrotating star which is either emitting or absorbing null dusts

**Wikidata**: [Q7908710](https://www.wikidata.org/wiki/Q7908710)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Vaidya_metric)  
**Source**: https://4ort.xyz/entity/vaidya-metric