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Submission + - Methane as the Next Interplanetary Fuel?

u-bend writes: "Discovery news has a quick read about the possibilities that methane has as a rocket fuel for future interplanetary exploration, since it's known to exist on other planets.

From the article:
"The trouble with exploring the solar system is that there just aren't any rocket fueling stations out there. That won't be the case if future planet-hopping astronauts are equipped with a new kind of rocket engine which burns two gases that are already in good supply on several other planets: methane and oxygen.""

"I've finally learned what `upward compatible' means. It means we get to keep all our old mistakes." -- Dennie van Tassel