A more serious critique of returning to the moon comes not from the Luddites but the purists. They want science, and they are right that robotic exploration is a more cost-effective way to get it. The science yielded by unmanned vehicles, such as past and future probes of the ice surface of Europa and the hydrocarbon lakes of Titan, is indeed thrilling. And pound for pound, dollar for dollar, manned exploration does bring back less science than robots.
But it still brings back science. Humans can discover things through intuition and pattern recognition that machines thinking in algorithms cannot. Imagine the scientific possibilities if today we had humans patrolling Mars rather than the brilliantly programmed but still limited golf carts now roaming the surface.
And then there's the glory. If you find any value, any lift of the spirit in a beautiful mathematical proof, in an elegant balletic turn, in any of the myriad human endeavors that have no utility but only breathtaking beauty, then you should feel something when our little species succeeds in establishing new life in a void that for all eternity had been the province of the gods. If you don't feel that, you are -- don't take this personally -- deaf to the music of our time.
I really like that last paragraph. Part of being human is to explore. It would be a shame to concede the greatest adventure possible.
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