It depends on the scale you are working at. A large body with no internal heat source can be kept cold over time at a lower cost because only the outside needs to be insulated. If cryonics were at the scale of a large cryogenic warehouse, it might be much less expensive.
It depends on the scale you are working at. A large body with no internal heat source can be kept cold over time at a lower cost because only the outside needs to be insulated. If cryonics were at the scale of a large cryogenic warehouse, it might be much less expensive.