Deuterium enrichment in the primitive ices of the protosolar nebula

Details Deuterium enrichment in the primitive ices of the protosolar nebula Deuterium enrichment in the primitive ices of the protosolar nebula

Aug 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990icar...86..329l&link_type=abstract

Icarus (ISSN 0019-1035), vol. 86, Aug. 1990, p. 329-335.

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8

Astronomical Models, Deuterium, Ice, Nebulae, Planetary Atmospheres, Solar System, Ammonia, Hydrogen, Interstellar Matter, Methane, Polyatomic Molecules, Protostars

Scientific paper

On the basis of CH3D/CH4-ratio observations in the outer planets, the present effort to estimate the D/H ratio of the protosolar nebula's primitive ices arrives at two simple, yet effectively limiting models which constrain the degree of dilution undergone by deuterated volatiles through mixing with the initial hydrogen envelopes. These volatiles would have been contributed to planetary atmospheres by evaporated primordial ices. Ice D/H ratio model results of 0.0001 to 0.001 are compared with values for other potentially primitive material-containing bodies in the solar system, as well as with D/H ratio values from interstellar polyatomic molecules.

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