Quote:
Originally Posted by freebeard
Perhaps that wasn't the time to relate that story. It was on my mind at the time.
My point is more that there is a planetary budget of hydrocarbons, whether (ad argumentum) it's carbonaceous chondrite asteroids or plankton, and that we are wildly overspending it.
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You just gave me an interesting thought. Perhaps there are some energy resources on the moon or asteroids that might be worth harvesting. If SpaceX perfects their rockets then it might be economical. For instance helium-3 is abundant on the moon.