Comment Can't be a hard mass gap (Score 1) 44
I would think that there must be exceptions to any mass gap because surely the mass gap applies to the formation of the bodies... not their future evolution in the presence of added mass from companions or the like. So if a neutron star forms initially and mass is slowly trickled into it, can it not become a black hole through the back door rather than in its initial supernova? And be of whatever mass ends up exhausting the additional supply.