20 Oct
2013
20 Oct
'13
4:24 p.m.
According to a recent talk given at UCSB, the largest known black holes have a Schwarzschild radius of the same order of magnitude as the radius of the Earth's orbit -- i.e., 1 AU.
I can easily believe that there are no black holes within our universe that are large enough to be comfortable to live in. Whit