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Space exploration is a broad topic covering many facets of deep-space and planetary science. Learn about space probes, Mars Rovers, SETI and other out-of-this-world subjects.
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> Astronomy> Future Space
> Spaceflight
> The Solar System
> Space Transportation…
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What if I went to Mars for a year to study the planet, how much food and water would I have to take with me to survive?
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