Abstracts for fall meeting of the Japanese Society for Planetary Science
Abstracts 2004 Fall Meeting of the Japanese Society for Planetary Sciences
Session ID : 507
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Host: The Japanese Society for Planetary Sciences: Local Organizing Committee for 2004 Fall Meeting

Oral session 5: Oct. 15, 09:00-10:31
A Scenario from Interstellar Complex Organics to Terrestrial Life (2) Stability of Organic Compounds in Space, at Impacts and in Hydrothermal System
*Takeo Kaneko, Taiki Tsuboi, Nobushige Suzuki, Hironari Kurihara, Kensei Kobayashi, Yoshinori Takano, Satoshi Yoshida, Akira Yamori, Jun-ichi Haruyama
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Abstract
Stability of amino acids and related compounds against radiation, impacts and heat was examined. Complex amino acid precursors formed from a mixture of CO, NH3 and H2O by proton irradiation showed much higher stability than free amino acids. Complex interstellar organic compounds were promising as a source of the first terrestrial biosphere for their stability in space and in hydrothermal systems of primitive Earth.
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© 2004 The Japanese Society for Planetary Science
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