DevotedSkeptic writes in with a story about the work going into feeding astronauts on a mission to Mars. "The menu must sustain a group of six to eight astronauts, keep them healthy and happy and also offer a broad array of food. That's no simple feat considering it will likely take six months to get to the Red Planet, astronauts will have to stay there 18 months and then it will take another six months to return to Earth. Imagine having to shop for a family's three-year supply of groceries all at once and having enough meals planned in advance for that length of time. 'Mars is different just because it's so far away,' said Maya Cooper, a senior research scientist with Lockheed Martin who is leading the efforts to build the menu. 'We don't have the option to send a vehicle every six months and send more food as we do for the International Space Station.'"
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