About KATAOKA Ryuho
About Interactive Res. Center of Sci., Tokyo Inst. of Technol., 2-12-1 Ookayama, Meguro-ku, Tokyo 152-8550, JPN
About EBISUZAKI Toshikazu
About RIKEN, 2-1 Hirosawa, Wako, Saitama 351-0198, JPN
About MIYAHARA Hiroko
About Musashino Art Univ., 1-736 Ogawacho, Kodaira, Tokyo 187-8505, JPN
About MIYAHARA Hiroko
About Japan Agency for Marine-Earth Sci. and Technol., 3173-25 Showa-machi, Kanazawa-ku, Yokohama 236-0001, JPN
About NIMURA Tokuhiro
About Okayama Astronomical Museum, 3037-5 Honjo, Kamogata, Asakuchi, Okayama 719-0232, JPN
About TOMIDA Takayuki
About RIKEN, 2-1 Hirosawa, Wako, Saitama 351-0198, JPN
About SATO Tatsuhiko
About Japan Atomic Energy Agency, Tokai, Naka, Ibaraki 319-1195, JPN
About MARUYAMA Shigenori
About Earth-Life Sci. Inst., Tokyo Inst. of Technol., 2-12-1 Ookayama, Meguro-ku, Tokyo 152-8550, JPN
About Gondwana Research
About paleoenvironment
About global environment
About Proterozoic Era
About Cambrian Period
About our galaxy
About extinction
About organic evolution
About supernova explosion
About Snowball Earth
About mass extinction
About spiral galaxy
About celestial body
About Precambrian
About 新原生代
About カンブリア紀
About 全球凍結
About 大量絶滅
About 見解