Comment by fbu
The thermal budget is impossible to escape. Maybe in an asteroid it could be possible, the whole surface becomes a thermal radiator and the whole asteroid a thermal mass. But still no convection.
The thermal budget is impossible to escape. Maybe in an asteroid it could be possible, the whole surface becomes a thermal radiator and the whole asteroid a thermal mass. But still no convection.
Unfortunately the powdery regolith of an asteroid is a thermal insulator.