Comment Re:That'll burn a lot of oil... (Score 1) 584
The ultimate energy source in our solar system is the sun. Everything comes from that. We're just living on "borrowed" energy right now, burning up millions of years' worth solar energy stored in the form of chemicals.
All energy* on earth comes from the Sun, not just chemical energy stored in oil and such. All but one of those energy sources you listed are all dependent on on solar energy, and even that last one comes from the relative motion of the sun. If the Sun didn't heat the air making it rise, cool air would blow in and be wind, if the Sun didn't heat and evaporate water, there wouldn't be rivers to dam. The only source of energy you listed that would work is the wave motion, but it would be greatly diminished because the Sun's gravitational pull is also a big player in tides.
*There's geothermal vents too, but there aren't many and most of them are in inconvenient places like the Marianas Trench.
All energy* on earth comes from the Sun, not just chemical energy stored in oil and such. All but one of those energy sources you listed are all dependent on on solar energy, and even that last one comes from the relative motion of the sun. If the Sun didn't heat the air making it rise, cool air would blow in and be wind, if the Sun didn't heat and evaporate water, there wouldn't be rivers to dam. The only source of energy you listed that would work is the wave motion, but it would be greatly diminished because the Sun's gravitational pull is also a big player in tides.
*There's geothermal vents too, but there aren't many and most of them are in inconvenient places like the Marianas Trench.
