Earth's microbes could contaminate Mars or icy moons such as Jupiter's satellite Europa, interfering with the hunt for life beyond our planet. At the same time, organisms from distant worlds could pose a hazard to life on Earth.
Earth's microbes could contaminate Mars or icy moons such as Jupiter's satellite Europa, interfering with the hunt for life beyond our planet. At the same time, organisms from distant worlds could pose a hazard to life on Earth.
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