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A new era of space travel is here. This week, Elon Musk announced that he would have humans making trips to Mars in six years.
But considering we’ve already polluted our own planet enough, we need to make sure we’re not about to spread destruction across the solar system. Here are some tips for keeping things clean.
Also Read: Elon Musk Offers Earthlings a Glimpse Into a Martian Future
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