Japan Geoscience Union Meeting 2019

Session information

[E] Poster

M (Multidisciplinary and Interdisciplinary) » M-IS Intersection

[M-IS07] Astrobiology

Thu. May 30, 2019 5:15 PM - 6:30 PM Poster Hall (International Exhibition Hall8, Makuhari Messe)

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)

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.

*Masayuki Kuzuhara1,3, Bunei Sato4, Motohide Tamura2,1,3, Takayuki Kotani1,3,5, Nagayoshi Ohashi3,6, Masashi Omiya1,3, Teruyuki Hirano4, Hiroki Harakawa6,3,1, Wako Aoki3,5, Norio Narita2,1, Yasunori Hori1,3, Akitoshi Ueda3,5, Akihiko Fukui2, Hiroyuki Tako Ishikawa5,3, Ishizuka Masato2, Takashi Kurokawa1,7, Nobuhiko Kusakabe1,3, Tomoyuki Kudo6,3,1, Eiichiro Kokubo3, Mihoko Konishi1,3, Tadashi Nakajima1,3,5, Jun Nishikawa3,5,1, Masahiro Ogihara3, Takuma Serizawa7 (1.Astrobiology Center of NINS, 2.The University of Tokyo, Graduate School of Science, 3.National Astronomical Observatory of Japan, 4.Tokyo Institute of Technology, 5.SOKENDAI, 6.Subaru Telescope, 7.Tokyo University of Agriculture and Technology)

*Mizuho Nishi1, Akira Tsuchiyama1, Hajime Yano2, Hikaru Yabuta3, Kyoko Okudaira4, Junya Matsuno1, Masayuki Uesugi5, Uesugi Kentaro5, Nakano Tukasa6, Takaaki Noguchi7, MITA Hajime8, Akihiko Yamagishi9 (1.Kyoto University, 2.Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency, 3.Hiroshima University, 4.The University of Aizu, 5.JASRI/SPring-8, 6.National Institute of Advanced Industrial Science and Technology, 7.Kyusyu University, 8.Fukuoka Institute of Technology, 9.Tokyo University of Pharmacy and Life Science)

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