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Updated: Jul 2, 2026

Simulation of the Planetary Interior Differentiation Processes in the Laboratory
Published on: November 16, 2013
Deuterium in the outer Solar System: evidence for two distinct reservoirs
1Department of Earth and Space Sciences, State University of New York at Stony Brook 11794, USA.
Abstract:
We have just completed a series of determinations of the CH3D/CH4 ratio in the atmospheres of Saturn, Titan and Uranus. These results, coupled with the work of other investigators, suggest that the Solar System contains at least two distinctly different primordial reservoirs of deuterium: that contained in gaseous hydrogen and that contained in the volatiles which have been maintained at low temperatures or isolated from hydrogen; for example, trapped in cold, solid material. Both of these reservoirs were established before the formation of the Solar System.
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