R5: Extraterrestrial materials

3:45 PM - 4:00 PM JST(6:45 AM - 7:00 AM UTC)

[R5-02] Solar activity recorded in Itokawa grains over the past tens of thousands of years

*Takaaki NOGUCHI¹, Ryuji Okazaki², Toru Matsumoto^3,1, Akira Tsuchiyama^4,5, Hiroshi Hidaka⁶, Makoto Kimura⁷, Rikako Matsumoto², Yuji Miyake², Yu Tobimatsu², Chie Nakata², Moeka Harada², Yukiko Hirayama^2,8, Kasumi Yogata^2,9 (1. Kyoto Univ. Sci., 2. Kyushu Univ. Sci., 3. Kyoto Univ. Hakubi, 4. Ritsumeikan Univ. ROST, 5. Guangzhou Inst. Geochem., Chin. Ac. Sci., 6. Nagoya Univ. Sci., 7. NIPR, 8. AIST, 9. JAXA ISAS)

Keywords:

Itokawa,Space weathering,Solar flare tracks,Noble gases

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