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And astrobotany, which will be needed to supply space settlements with fresh food, could eventually grow crops and send them back to Earth.

“All of human exploration has been driven by the ability to keep crews fed,” says Gil Cauthorn, an Osaka, Japan–based researcher at the Astrobotany International Research Initiative.

They hadn’t approved of me getting a degree in agriculture, then getting further degrees in astrobiology and astrobotany, then earning my place conducting research and experiments for the Chinese National Space Administration.