title: Planetary science. Sniffing out Martian hospitality.
authors.forename: Richard A
authors.initials: RA
authors.lastname: Kerr
mesh_terms: D018559:Exobiology; D005118:Extraterrestrial Environment; D007053:Ice; D018535:Mars; D018531:Spacecraft / Q000191:economics; D014481:United States; D018557:United States National Aeronautics and Space Administration; D014867:Water
chemical_list: D007053:Ice; D014867:Water