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Harrison Schmitt

Academic

Harrison Schmitt is a former NASA astronaut and the only geologist to have walked on the moon.

Notable Quotes

"If helium-3 were abundant on Earth, all these benefits would be with us today."

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What is Helium-3 and could we get it from the moon?

Helium-3 is expensive and demand is forecast to soar, so some are planning to mine it on the moon.