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NASA Astronauts On Mars Mission Will Eat 100% Vegan Menu

NASA Astronauts On Mars Mission Will Eat 100% Vegan Menu It is likely that human diets will move away from meat and dairy and toward completely plant-based diets, as raising cattle takes about 3x as much resources as growing crops. In space exploration, bringing meat or livestock along is just not practical.

NASA to Farm Vegetables in Space

Growing food in space could be a more cost-effective way to feed orbiting astronauts.