title: Planetary science. Minerals suggest water once flowed on mars--but where?
authors.forename: Richard A
authors.initials: RA
authors.lastname: Kerr
mesh_terms: D005118:Extraterrestrial Environment; D018535:Mars; D008903:Minerals; D018531:Spacecraft; D014867:Water
chemical_list: D008903:Minerals; D014867:Water