Japan Geoscience Union Meeting 2019

Session information

[E] Oral

M (Multidisciplinary and Interdisciplinary) » M-IS Intersection

[M-IS07] Astrobiology

Wed. May 29, 2019 3:30 PM - 5:00 PM 201A (2F)

convener:Hikaru Yabuta(Hiroshima University, Department of Earth and Planetary Systems Science), Seiji Sugita(Department of Earth and Planetary Science, Graduate School of Science Sciece, The University of Tokyo), Misato Fukagawa(National Astronomical Observatory of Japan), Fujishima Kosuke(Tokyo Institute of Technology, Earth-Life Science Institute), Chairperson:Misato Fukagawa(名古屋大学大学院 理学研究科), Kosuke Fujishima(ELSI 地球生命研究所)

Twenty years have passed since when the field of Astrobiology, which aims to unveil the origins, evolution, and habitability of life by integrating multidisciplinary fields, was established. Individual themes related to Astrobiology, such as chemical evolution in the early Solar System, formation of planetary system, prebiotic chemistry in the early Earth, evolution of life in the Earth's history, extremophile, and habitable planetary environments, has been studied by the knowledge and methods from the multiple fields, which has enabled us to explain "Where we came from" in some ways. However, despite an overwhelming number of investigations and discussions through gathering of the scientists from different fields, there has remained the long-standing unsolved question: How did abiotic materials gain biological function in the Earth and elsewhere in universe? There is still a large gap between prebiotic organic chemistry and biochemistry toward Origins of Life and planetary habitability. Therefore, the JpGU Astrobiology session focuses on pathfinding of "integration of astronomy, geoscience, and biochemistry", which will face an increasing need for the future Astrobiology. In order to enhance our understanding of "What is life", we propose to discuss the biochemical events linked with planetary systems, which is beyond the knowledge in a test tube, by an integration of exoplanets and molecular biology, etc. Through this approach, we will lead the discussions and developments of life-detection strategies for the future exploration of life in universe.

Introduction (3:30 PM - 3:35 PM)

3:35 PM - 3:50 PM

*Hajime Yano1, K. Yamamoto2, E. Minakami2, M. Eitel1,3, S. Sasaki4, J. Imani5, K. Okudaira6, M. Higashide7, E. Imai8, Y. Kawaguchi9, Yoko Kebukawa10, H. Mita11, M. Nishi12, T. Noguchi13, Makoto Tabata14, A. Tsuchiyama12, Hikaru Yabuta15, K. Arai8, H. Hashimoto1, Kensei Kobayashi10, A. Yamagishi16 (1.Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency, 2.Hosei University, 3.University of Stuttgart, 4.Tokyo University of Technology, 5.Yuki Seimitsu, Co. Ltd., 6.University of Aizu, 7.JAXA/Aerospace Research and Development Directorate, 8.Nagaoka University of Technology, 9.Chiba Institute of Technology, 10.Yokohama National University, 11.Fukuoka Institute of Technology, 12.Kyoto University, 13.Kyushu University, 14.Chiba University, 15.Hiroshima University, 16.Tokyo University of Pharmacy and Life Science)

Discussion (4:55 PM - 5:00 PM)

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