窒素当番やったら力尽きた。いかんのうHiRISE: RT @milkysa Happy Martian New Year! Ls=0! #fbあ、そうなんだ…＾＾火星組は祝うのかな＾＾chandraxray: Latest Chandra Image Star Blasts Planet With X-rays: This graphic contains an image and illustra…