As far as I know, the existence of black holes is accepted by basically every astrophysicist. There are several smoking guns: https://en.wikipedia.org/wiki/Bl

As far as I know, the existence of black holes is accepted by basically every astrophysicist. There are several smoking guns: https://en.wikipedia.org/wiki/Black_hole#Observational_evidence https://en.wikipedia.org/wiki/Black_hole#Observational_evide...