NASA said the astronauts will clean lettuce mid-harvest, using citric acid hygienic to clean a cat will eat., while the other half will be frozen and taken and additional laboratory analysis on Earth.
Ray Wheeler, director of this research project, told the agency to NASA's website: "The fresh foods such as tomatoes, Blueberry and red lettuce good foods against oxidation. So if such foods can grow on this space It is very good and it will provide a positive impact to the astronauts and provide protection against radiation on astronauts.
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Source: qz
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