Originally Posted by Out of the Box
Maybe the electro-magnetic coil (whatever it is made of) that creates the gravitational field of the planet generates a lot of heat? I don't know. This sort of physics is a bit too advanced for me
Well....an electro-magnetic coil could create magnetism, but not gravity. And if it were to generate that kind of heat, it would mean that it has a high resistance, meaning it would have to be fed by a GIGANTIC power source. Something akin to the sun, only controlled and channeled.