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To do important research and experiments, astronauts need to stay in space longer. Some of your choices—for air, food, and power—will still work well for this new mission.
But there are new challenges as well. Water, waste disposal, exercise and personal cleanliness pose new problems to solve.
First of all, you can't carry all the water your astronauts will need to live in space for a month or more. How will you provide more water?
 Capture passing comets for their water |
 Mix Hydrogen (H) with Oxygen (O) to create water (H2O) |
 Recycle your urine |
© The Children's Museum of Indianapolis, 1999