Physics
Scientific paper
Oct 1986
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986joat.conf..110s&link_type=abstract
In NASA. Goddard Inst. for Space Studies The Jovian Atmospheres p 110 (SEE N87-17598 09-91)
Physics
Chemical Fractionation, Deuterium, Jupiter Atmosphere, Line Spectra, Uranus Atmosphere, Atmospheric Chemistry, Interstellar Matter, Neptune Atmosphere, Planetary Nebulae
Scientific paper
A feature was detected at the expected wavelength for the HD R5(0) line in Jupiter's and Uranus' atmospheres. An upper limit for Neptune was also found. Added to the earlier detection of a similar feature for Saturn, it is proposed that all evidence from this type of measurement can be interpreted as arising from a D/H ratio of about .0004 for all the major planets. This value is not in agreement with measurements from CH3D transitions, and is at least fifty times the accepted interstellar medium value of 5 x .000001, implying deuterium enhancement in the solar system via fractionation in the proto-solar nebula.
Hayden Smith Wm.
Macy William W.
Schempp William
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