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environmental contamination

Sterilizing Mars spacecraft is largely a waste of money

WSU’s Schulze-Makuch PULLMAN, Wash. – Two university researchers say environmental restrictions have become unnecessarily restrictive and expensive – on Mars. Writing in the journal Nature Geoscience, astrobiologists Alberto Fairén of Cornell University and Dirk Schulze-Makuch of Washington State University say the NASA Office of Planetary Protection’s “detailed and expensive” efforts to keep Earth microorganisms off […]