title: Planetary science. Jupiter's two-faced Moon, Ganymede, falling into line.
authors.forename: R A
authors.initials: RA
authors.lastname: Kerr
mesh_terms: D005118:Extraterrestrial Environment; D007053:Ice; D018538:Jupiter; D013696:Temperature; D014867:Water
chemical_list: D007053:Ice; D014867:Water