![]() We propose a novel idea for explaining the Jovian atmospheric composition: dust pileup at the H 2O snow line casts a shadow and cools the Jupiter orbit so that N 2 and noble gases can freeze. Jupiter has been the most well-studied giant planet in terms of its atmosphere however, the origin of the Jovian atmospheric composition remains a puzzle as the abundances of nitrogen and noble gases as high as those of other elements could only originate from extremely cold environments.Īims. ![]() National Astronomical Observatory of Japan, Osawa, Mitaka, Tokyo 181-8588, JapanĮ-mail: Atmospheric compositions offer valuable clues to planetary formation and evolution. Kazumasa Ohno (大野 和正) 1 ,2 and Takahiro Ueda (植田 高啓) 3ĭepartment of Astronomy and Astrophysics, University of California, 1156 High St, Santa Cruz, CA 95064, USAĮ-mail: of Earth and Planetary Sciences, Tokyo Institute of Technology, Meguro, Tokyo 152-8551, Japan Astronomical objects: linking to databases. ![]()
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