[PPS04-07] Investigation into the characteristics of granular materials in low gravitational environment (Introduction of Hourglass mission)
★Invited Papers
*Masatsugu Otsuki1, Shingo Ozaki2, Genya Ishigami3, Takao Maeda4, Masataku Sutoh1, Taizo Kobayashi5, Hideaki Miyamoto6, Koji Wada7, Chihiro Kurosawa1, Yuta Kawai1, Haruo Kasahara1, Tetsuya Sakashita1, Shinobu Doi1, Hideaki Uchikawa1, Terumitsu Mano1 (1.Japan Aerospace Exploration Agency, 2.Yokohama National University, 3.Keio University, 4.Chuo University, 5.Ritsumeikan University, 6.The University of Tokyo, 7.Chiba Institute of Technology)