Cometary delivery of organic molecules to the early earth

Science

Volumn 249, Issue 4967, 1990, Pages 366-373

  Chyba, Christopher F ^a   Thomas, Paul J ^a,c   Brookshaw, Leigh ^b,d   Sagan, Carl ^a  

^a Department of Population Medicine and Diagnostic Sciences   (United States)

^b YALE UNIVERSITY   (United States)

^c UNIVERSITY OF WISCONSIN EAU CLAIRE   (United States)

^d LAWRENCE LIVERMORE NATIONAL LABORATORY   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

AMINO ACID; CARBON DIOXIDE; FORMALDEHYDE; HYDROGEN CYANIDE;

ARTICLE; ASTRONOMY; ATMOSPHERE; BIOGENESIS; EVOLUTION; HEAT; NASA DISCIPLINE EXOBIOLOGY; NASA DISCIPLINE NUMBER 52-20; NASA PROGRAM EXOBIOLOGY; NON-NASA CENTER; ORGANIC CHEMISTRY;

NASA DISCIPLINE EXOBIOLOGY; NASA DISCIPLINE NUMBER 52-20; NASA PROGRAM EXOBIOLOGY; NON-NASA CENTER;

AMINO ACIDS; ATMOSPHERE; BIOGENESIS; CARBON DIOXIDE; CHEMISTRY, ORGANIC; EARTH (PLANET); EVOLUTION; FORMALDEHYDE; HEAT; HYDROGEN CYANIDE; MINOR PLANETS; SOLAR SYSTEM; SUPPORT, NON-U.S. GOV'T; SUPPORT, U.S. GOV'T, NON-P.H.S.; SUPPORT, U.S. GOV'T, P.H.S.;

ASTEROIDEA; ASTERIAS;

ASTEROID; ATMOSPHERE; BIOMASS; COMETARY ORGANICS; EARTH FORMATION; EVOLUTION; IMPACT VELOCITY; ORGANIC MOLECULE;

EID: 0025573714     PISSN: 00368075     EISSN: None     Source Type: Journal    
DOI: 10.1126/science.11538074     Document Type: Article

References (0)