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How to protect Europa from Earthlings
How to protect Europa from Earthlings
BOSTON-In less than a decade, NASA will send a spacecraft to Jupiter's moon Europa. Once there, a lander will navigate the world's icy surface for about 20 days and attempt to probe its hypothesized vast subsurface ocean. But whether or not Europa contains life, how can we avoid contaminating it with our own?
sciencemag.org



