Evidence of global space weathering by solar wind on asteroid 162173 Ryugu

T. Hiroi, R. E. Milliken, Kevin M. Robertson, Cody Schultz, Kana Amano, Tomoki Nakamura, Hisayoshi Yurimoto, T. Noguchi, Ryuji Okazaki, Hiroshi Naraoka, Hikaru Yabuta, Kanako Sakamoto, Toru Yada, Masahiro Nishimura, Aiko Nakato, Akiko Miyazaki, Kasumi Yogata, Masanao Abe, Tatsuaki Okada, Tomohiro Usui, Makoto Yoshikawa, Takanao Saiki, Satoshi Tanaka, Satoru Nakazawa, Y. Yokota, Eri Tatsumi, Yuichi Tsuda, Shogo Tachibana, Takayuki Fuyuto, Sei‐ichiro Watanabe, S. Sasaki, H. Kaiden, K. Kitazato, M. Matsuoka