With a mission to Mars on the horizon and astronauts spending longer than ever in orbit, scientists are looking for ways to grow vegetables in space...
In The Martian, the 2015 film directed by Ridley Scott, astronaut Mark Watney (Matt Damon) is accidentally abandoned alone on Mars by his crewmates after an emergency evacuation, without enough food to survive. Mars is a tricky prospect for even the most red- fingered gardener: there’s almost no air, the “soil” has few nutrients and lots of heavy metals, and the temperature is typically around -60C. “I’m going to have to science the shit out of this,” Watney, a botanist, declares. He decides to grow potatoes, jerry-rigging a climate-controlled dome, burning hydrazine to make water and creating a growth medium from Mars dust supplemented by his crewmates’ faeces.
In Star Trek they just replicate food out of pure energy
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