🌐EnglishEnglishDeutschFrançais中文EntityQ7908710· pop 5· linked from 100 articlesVaidya metricnon-empty external spacetime of a spherically symmetric and nonrotating star which is either emitting or absorbing null dustsConnectionsBlack holeConceptEinstein field equationsEntityCategoriesAstrophysicsBlack holesExact solutions in general relativity