Thermal and irradiation history of lunar meteorites by the 40Ar/39Ar technique: Dhofar 025, 309, 730, 733, 1442, Northwest Africa 6888, and Sayh al Uhaymir 449OPEN ACCESS 

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M. Trieloff, E.V. Korochantseva, A.I. Buikin, J. Hopp, A.V. Korochantsev Geochemistry, In Press, Journal Pre-proof, Available online 16 July 2025 LINK + PDF (OPEN ACCESS) “We performed high-resolution 40Ar/39Ar dating of a suite of lunar…

The Earth atmosphere-like bulk nitrogen isotope composition obtained by stepwise combustion analyses of Ryugu return samplesOPEN ACCESS 

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Ko Hashizume, Akizumi Ishida, Ayano Chiba, Ryuji Okazaki, Kasumi Yogata, Toru Yada, Fumio Kitajima, Hisayoshi Yurimoto, Tomoki Nakamura, Takaaki Noguchi, Hikaru Yabuta, Hiroshi Naraoka, Yoshinori Takano, Kanako Sakamoto, Shogo Tachibana, Masahiro Nishimura, Aiko Nakato, Akiko…

Past solar wind flux recorded in solar-gas-rich meteorites

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Tomoya Obase, Daisuke Nakashima IcarusIn Press, Journal Pre-proof, Available online 26 September 2022 LINK “Highlights • Past solar wind flux is recorded in solar-gas-rich meteorites• Correlation between solar wind and cosmogenic noble gases reflects solar…

Reaction of Q to thermal metamorphism in parent bodies: Experimental simulationOPEN ACCESS 

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A. B. Verchovsky, S. A. Hunt, W. Montgomery, M. A. Sephton Meteorit Planet Sci. doi:10.1111/maps.13231 LINK (OPEN ACCESS) PDF (OPEN ACCESS) “Planetary noble gases in chondrites are concentrated in an unidentified carrier phase, called “Q.”…

Detection of argon in the coma of comet 67P/Churyumov-Gerasimenko

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By Hans Balsiger, Kathrin Altwegg, Akiva Bar-Nun, Jean-Jacques Berthelier, Andre Bieler, Peter Bochsler, Christelle Briois, Ursina Calmonte, Michael Combi, Johan De Keyser, Peter Eberhardt, Björn Fiethe, Stephen A. Fuselier, Sébastien Gasc, Tamas I. Gombosi, Kenneth…

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