Jun 2007
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007ssrv..130...97o&link_type=abstract
Space Science Reviews, Volume 130, Issue 1-4, pp. 97-104
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Scientific paper
The predominance of nitrogen in highly volatile forms and of carbon in solids set the abundance ratios of these elements in the inner planets, meteorites and comets. The absence of carbon compounds in an atmosphere then signals large deposits of carbon-bearing compounds in surface and/or subsurface deposits. In contrast, the icy planetesimals that contributed heavy elements to Jupiter must have had identical enrichments (relative to hydrogen) of both C and N, as well as other heavy elements that have been measured, compared to solar values. Capture of N and Ar suggests that the icy planetesimals that carried these elements must have formed at low temperatures, <40 K. New measurements of isotopes of nitrogen support this picture, but we must have more measurements in more atmospheres to be certain of this scenario.
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