Surface ices and the atmospheric composition of Pluto

Details Surface ices and the atmospheric composition of Pluto Surface ices and the atmospheric composition of Pluto

Aug 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993sci...261..745o&link_type=abstract

Science (ISSN 0036-8075), vol. 261, no. 5122, p. 745-748.

Other

150

Atmospheric Composition, Ice, Planetary Surfaces, Pluto (Planet), Atmospheric Models, Carbon Monoxide, Infrared Spectra, Methane, Solid Nitrogen, Pluto, Surface, Ice, Atmosphere, Composition, Absorption, Nitrogen, Carbon Monoxide, Methane, Abundance, Gas Phase, Solid Phase, Neon, Comparison, Earth-Based Observations, Wavelengths, Spectroscopy, Model, Spectra, Pressure, Gases, Temperature, Carbon Dioxide, Neptune, Satellites, Triton

Scientific paper

Observations of the 1.4- to 2.4-micrometer spectrum of Pluto reveal absorptions of carbon monoxide and nitrogen ices and confirm the presence of solid methane. Frozen nitrogen is more abundant than the other two ices by a factor of about 50; gaseous nitrogen must therefore be the major atmospheric constituent. The absence of carbon dioxide absorptions is one of several differences between the spectra of Pluto and Triton in this region. Both worlds carry information about the composition of the solar nebula and the processes by which icy planetesimals formed.

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