「地球周回軌道におけるアストロバイオロジー実験研究チーム」活動報告

第27回宇宙利用シンポジウム (2011年1月24日-25日, 宇宙航空研究開発機構宇宙科学研究所相模原キャンパス), 相模原市, 神奈川県

The Twenty-seventh Space Utilization Symposium (January 24-25, 2011. Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA)(ISAS)), Sagamihara, Kanagawa Japan

Activities of the JAXA Research Team "Astrobiology Experiments in Earth Orbit" were reported. This research team was originally organized as a working group in 2004, and has been discussing possible experiments on astrobiology by utilizing the ISS and other facilities since then. In 2006, we picked up one of the subjects, and it was proposed to JAXA as the "Tanpopo mission". In 2010, we discussed future missions to study the distribution of microorganisms in space, and analytical techniques to detect microorganisms and organic compounds there. Possible targets of life detection in the solar system include lava tubes of the Moon, Mars, Europa and Titan. Basic strategy for in situ detection of life on Mars includes survey with fluorescence microscopes followed by amino acid analysis after acid-hydrolysis. We are developing these techniques. Complex organic compounds in the samples returned from extraterrestrial bodies would be analyzed with STXM-XANES technique and precise analysis of amino acid enantiomers with column-switching HPLC systems. In advance of space utilizing experiments, preliminary simulation experiments on ground are required. Radiation facilities for them include the New Subaru synchrotron radiation facility for EUV irradiation, and the KEK digital accelerator for particles irradiation.

形態: カラー図版あり

著者人数: 31人

Physical characteristics: Original contains color illustrations

Number of authors: 31

資料番号: AA0065129070