Constraints on the Na/K Ratio in Europa’s Surface and Subsurface Ocean by Charged-Particle Irradiation Experiments and Observations of Europa’s Tenuous Atmosphere

Osawa Kai

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P (Space and Planetary Sciences ) » P-PS Planetary Sciences

[P-PS01] Outer Solar System Exploration Today, and Tomorrow

Tue. May 26, 2026 5:15 PM - 7:00 PM Poster Hall (Exhibition Hall 7&8, Makuhari Messe)

5:15 PM - 7:00 PM

[PPS01-P03] Constraints on the Na/K Ratio in Europa’s Surface and Subsurface Ocean by Charged-Particle Irradiation Experiments and Observations of Europa’s Tenuous Atmosphere

*Osawa Kai¹, Tomoki Kimura¹, Fuminori Tsuchiya², Shuya Tan³, Kazuya Yoshioka¹, Shoki Morioka¹, Qingyang Lu¹, Go Sato¹, Masaya Kudo¹ (1. Tokyo University of Science , 2. Planetary Plasma and Atmospheric Research Center, Graduate School of Science, Tohoku University, 3. Japan Agency for Marine-Earth Science and Technology)