雨うぜえ＾＾NASA_Hubble: Kepler may have found a system with 2 planets sharing 1 orbit! If confirmed, could give insight into our solar system. http://ow.ly/44GLP惑星の軌道シェアだと！？ヤヌス＆エピメテウスの惑星バージョンと言える！esaoper…