Improvements in and actual performance of the Plant Experiment Unit onboard Kibo, the Japanese experiment module on the international space station

Sachiko Yano^*, Haruo Kasahara, Daisuke Masuda, Fumiaki Tanigaki, Toru Shimazu, Hiromi Suzuki, Ichirou Karahara, Kouichi Soga, Takayuki Hoson, Ichiro Tayama, Yoshikazu Tsuchiya, Seiichiro Kamisaka