The Reappearance of Mars via NASA https://j.mp/2Fbh19j https://j.mp/2FnQ1Tx

aki

5年前

The Reappearance of Mars via NASA https://t.co/kDFR8DVd6Y pic.twitter.com/HudzluM9L1

— Akihiko SHIRAI, Ph.D #VTC20 (@o_ob) September 11, 2020

from Twitter https://twitter.com/o_ob