A Conceptual Design for Cosmo-biology Experiments in Earth's Orbit.

DOI Web Site PubMed 被引用文献5件 参考文献8件
  • Hashimoto H.
    Institute of Engineering Mechanics, University of Tsukuba, Tsukuba, Ibaraki 305-8573, Japan.
  • Greenberg M.
    University of Leiden, Astrophysics Laboratory, Postbus 9504, 2300 RA Leiden, The Netherlands.
  • Brack A.
    CNRS, Centre de Biophysique Moléculaire, 45071 Orléans Cedex 2, France.
  • Colangeli L.
    Osservatorio Astronomico di Capodimonte, 80131 Napoli, Italy.
  • Horneck G.
    DLR, Institute of Aerospace Medicine, 51140 Köln, Germany.
  • Navarro-Gonzalez R.
    Instituto de Ciencias Nucleares, Universidad Nacional Autónoma de México, Circuito Exterior, C.U., Apartado Postal 70-543, México D.F. 04510, Mexico.
  • Raulin F.
    Universités Paris 7 et 12, LISA-CNRS, 94010 Créteil Cedex, France.
  • Kouchi A.
    Institute of Low Temperature Science, University of Hokkaido, Sapporo, Hokkaido 060-0819, Japan.
  • Saito T.
    Institute for Cosmic Ray Research, University of Tokyo, Tanashi, Tokyo 188-8502, Japan.
  • Yamashita M.
    0Institute of Space and Astronautical Science, Sagamihara, Kanagawa 229-8510, Japan.
  • Kobayashi K.
    1Department of Chemistry and Biotechnology, Yokohama National University, Yokohama, Kanagawa 240-8501, Japan.

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タイトル別名
  • Conceptual Design for Cosmo-biology Experiments in Earths Orbit

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A conceptual design was developed for a cosmo-biology experiment. It is intended to expose simulated interstellar ice materials deposited on dust grains to the space environment. The experimental system consists of a cryogenic system to keep solidified gas sample, and an optical device to select and amplify the ultraviolet part of the solar light for irradiation. By this approach, the long lasting chemical evolution of icy species could be examined in a much shorter time of exposure by amplification of light intensity. The removal of light at longer wavelength, which is ineffective to induce photochemical reactions, reduces the heat load to the cryogenic system that holds solidified reactants including CO as a constituent species of interstellar materials. Other major hardware components were also defined in order to achieve the scientific objectives of this experiment. Those are a cold trap maintained at liquid nitrogen temperature to prevent the contamination of the sample during the exposure, a mechanism to exchange multiple samples, and a system to perform bake-out of the sample exposure chamber. This experiment system is proposed as a candidate payload implemented on the exposed facility of Japanese Experiment Module on International Space Station.

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