title: Planetary science. Biologically reversible exploration.
authors.affiliation: Space Sciences, NASA-Ames Research Center, Moffett Field, CA 94035, USA. christopher.mckay@nasa.gov
authors.forename: Christopher P
authors.initials: CP
authors.lastname: McKay
mesh_terms: D018559:Exobiology; D005118:Extraterrestrial Environment; D018535:Mars; D011640:Public Policy; D013026:Space Flight / Q000941:ethics; D018531:Spacecraft; D013242:Sterilization; D014466:Ultraviolet Rays