Journal of Electric Propulsion 1(1) 2022年12月 [査読有り][招待有り]
Abstract
In electron cyclotron resonance (ECR) thrusters, the plasma mode transition is a critical phenomenon because it determines the maximum thrust performance. In ECR ion thrusters, ionization generally occurs in the magnetic confinement regi...
S. Tachibana H. Sawada R. Okazaki Y. Takano K. Sakamoto Y. N. Miura C. Okamoto H. Yano S. Yamanouchi P. Michel Y. Zhang S. Schwartz F. Thuillet H. Yurimoto T. Nakamura T. Noguchi H. Yabuta H. Naraoka A. Tsuchiyama N. Imae K. Kurosawa A. M. Nakamura K. Ogawa S. Sugita T. Morota R. Honda S. Kameda E. Tatsumi Y. Cho K. Yoshioka Y. Yokota M. Hayakawa M. Matsuoka N. Sakatani M. Yamada T. Kouyama H. Suzuki C. Honda T. Yoshimitsu T. Kubota H. Demura T. Yada M. Nishimura K. Yogata A. Nakato M. Yoshitake A. I. Suzuki S. Furuya K. Hatakeda A. Miyazaki K. Kumagai T. Okada M. Abe T. Usui T. R. Ireland M. Fujimoto T. Yamada M. Arakawa H. C. Connolly A. Fujii S. Hasegawa N. Hirata N. Hirata C. Hirose S. Hosoda Y. Iijima H. Ikeda M. Ishiguro Y. Ishihara T. Iwata S. Kikuchi K. Kitazato D. S. Lauretta G. Libourel B. Marty K. Matsumoto T. Michikami Y. Mimasu A. Miura O. Mori K. Nakamura-Messenger N. Namiki A. N. Nguyen L. R. Nittler H. Noda R. Noguchi N. Ogawa G. Ono M. Ozaki H. Senshu T. Shimada Y. Shimaki K. Shirai S. Soldini T. Takahashi Y. Takei H. Takeuchi R. Tsukizaki K. Wada Y. Yamamoto K. Yoshikawa K. Yumoto M. E. Zolensky S. Nakazawa F. Terui S. Tanaka T. Saiki M. Yoshikawa S. Watanabe Y. Tsuda
Science 375(6584) 1011-1016 2022年3月 [査読有り]
The Hayabusa2 spacecraft investigated the C-type (carbonaceous) asteroid (162173) Ryugu. The mission performed two landing operations to collect samples of surface and subsurface material, the latter exposed by an artificial impact. We present ima...
<title>Abstract</title>C-type asteroids1 are considered to be primitive small Solar System bodies enriched in water and organics, providing clues to the origin and evolution of the Solar System and the building blocks of life. C-type as...
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