Computer Science
Scientific paper
Nov 1989
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989icar...82....1s&link_type=abstract
Icarus (ISSN 0019-1035), vol. 82, Nov. 1989, p. 1-35. Research supported by NASA.
Computer Science
26
Carbon, Charon, Planetary Atmospheres, Pluto (Planet), Solar Corona, Carbon Monoxide, Constraints, Gas Giant Planets, Methane, Silicates
Scientific paper
The compositional contrast between the giant-planet satellites and the significantly rockier Pluto/Charon system is indicative of different formation mechanisms; cosmic abundance calculations, in conjunction with an assumption of the Pluto/Charon system's direct formation from solar nebula condensates, strongly suggest that most of the carbon in the outer solar nebula was in CO form, in keeping with both the inheritance from the dense molecular clouds in the interstellar medium, and/or the Lewis and Prinn (1980) kinetic-inhibition model of solar nebula chemistry. Laboratory studies of carbonaceous chondrites and Comet Halley flyby studies suggest that condensed organic material, rather than elemental carbon, is the most likely candidate for the small percentage of the carbon-bearing solid in the outer solar nebula.
McKay Christopher P.
Pollack James B.
Reynolds Ray T.
Simonelli Damon P.
Summers Audrey L.
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