Understanding life on or within the earth system is essential to protect planetary systems and retrieve new knowledge
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.......spreading microbes around might be the best idea..............roll that one around in your sandbox.......
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I was happier imagining the position as guardians of the galaxy.... way to ruin it with facts.
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: NASA's Office of Planetary Protection https://youtube.com/watch?v=fnX_FGKENx8 …
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