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Hi, I'm Hannah, with another NASA fact.

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Are there grocery stores in space?

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Don't astronauts take all their food with them from Earth?

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That would be hard to do for a six-month trip to Mars.

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So what do they do?

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Many kinds of food are freeze-dried.

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That's when water is removed on Earth and added back in space.

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The food lasts a longer time that way, and that would be good for a trip to Mars.

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What other kinds of food are good for a Mars flight?

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Astronauts need variety in their diet, just like we do.

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Fresh vegetables are good choices.

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We know most of what they will eat will be freeze-dried or prepackaged food.

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They also can grow some fresh food on their way to Mars with hydroponics,

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which uses water, not soil, to grow plants.

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Will astronauts eat snacks like candy and potato chips?

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That information, and more, is on our website.

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Until next time, I'm Hannah, with cool NASA facts you can use.