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Viking May Not Be Able to Answer Life Question on Mars
Mars probes yield chemistries suggesting active soil processes but stop short of proving life. Scientists say Viking 1 findings create ambiguity about biology versus nonbiological reactions, with calls for future landers and rovers to pursue conclusive tests.
MENTIONED IN THIS ARTICLE
Victor K. McElheny
N.Y. Times
Pasadena
Calif
Viking
Mars
Chryso Plain
Martian
Earth
Joshua Lederberg
Stanford University
Jet Propulsion Laboratory
Harold Klein
Viking Biology
Klein
Leslie Orgel
Salk Institute of Biological Studies
la Jolla
Gerald Soffen
Langley Research Center
Hampton
Viking Science
Alexander Rich
Massachusetts Institute of Technology
Orgel