title: The origin of life in the solar system: current issues.
authors.affiliation: National Security Council, Washington, DC 20506, USA.
authors.forename: C F
authors.initials: CF
authors.lastname: Chyba
authors.forename: G D
authors.initials: GD
authors.lastname: McDonald
mesh_terms: D019418:Evolution, Chemical; D019143:Evolution, Molecular; D019419:Evolution, Planetary; D018559:Exobiology; D005118:Extraterrestrial Environment; D019110:Meteoroids; D018543:Minor Planets; D000069497:Origin of Life; D012313:RNA; D016082:Solar System
chemical_list: D012313:RNA