A long time ago humans talked of terraforming Mars and Venus, but we never did it. Just too busy blowing ourselves up, I guess, ever to get round to it. (Charles Sheffield)

A long time ago humans talked of terraforming Mars and Venus, but we never did it. Just too busy blowing ourselves up, I guess, ever to get round to it.

Charles Sheffield

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blowing busy guess mars round time venus humans terraforming

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