Re: m(ass)es
AIR from the discussions regarding the first observation, 30 solar masses is about the limit for "primordial" black holes. These were formed directly from hydrogen clouds, and have not had any substantial mass gains since.
AIR from the discussions regarding the first observation, 30 solar masses is about the limit for "primordial" black holes. These were formed directly from hydrogen clouds, and have not had any substantial mass gains since.