See What Astronauts Really Eat in Space

Freeze-dried Neapolitan ice cream often comes to mind when we think about what our astronauts are eating high above Earth in the International Space Station. But the extraterrestrial culinary world is a bit more refined these days.

Astronauts still rely heavily on prepackaged, nonperishable foods that are assembled on Earth. However, with longer missions to Mars in mind, NASA is rethinking the space diet, and coming up with ways for astronauts to grow, process and prepare food while they are actually in orbit.

SEE ALSO: Can Humans Live on Mars?

A recent study, for example, proposes three 10-day menu cycles that use a variety of food sources -- from farmed or shipped salad crops to…
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