0 Members and 1 Guest are viewing this topic.
a very large surface temperature due to Hawking's radiation
probably a short life
You need M=15 billion tons (if I've done the math correctly).To get an image of how massive this is, it is a cube of water 2.5km on each side.
Centrifugal force artificial gravity may suffer from issues such as dizziness or a gravity differential with a small ring, but it should be relatively comfortable and functional if the ring was large enough.