The only way the human race can really have a good chance of surviving in the long run is if we habit other planets then the earth. I figure that some planets may be habitable but without water, heat, and energy, it is a waste of money. Most planets are just not in the right spot to where great temperatures and atmospheres can help us. I have been thinking a lot about the future of power though. Is it possible that if we developed such a great source of power that we could heat a planet from the inside out rather the inside in. For the most part the earth receives energy from the sun and it soaks down, so to say, into the earth and warms it up. I think the daily input of energy is somewhere in the PetaWatt range . Why couldn't we have our own source of heat deep down in a planet to make it habitable. This power source is very much out of our touch for now but would it work is the question?