The search for extraterrestrial life.
The earth remains the only inhabited world known so far, but scientists are finding that the universe abounds with the chemistry of life.
Sagan
C
C
Laboratory for Planetary Studies, Cornell University, USA.
D001272:Atmosphere / Q000032:analysis / Q000737:chemistry*; D018534:Earth, Planet; D019418:Evolution, Chemical; D019419:Evolution, Planetary; D018559:Exobiology; D005118:Extraterrestrial Environment; D019369:Life; D018535:Mars; D019110:Meteoroids; D018543:Minor Planets; D018539:Saturn; D016082:Solar System; D013026:Space Flight; D018531:Spacecraft