Omega Sunrise via NASA https://j.mp/3hPcciX https://j.mp/2RMhykE

aki

5年前

Omega Sunrise via NASA https://t.co/ekuDVKOqrX pic.twitter.com/ZZnge06POw

— Akihiko SHIRAI, Ph.D #VTC20 (@o_ob) September 21, 2020

from Twitter https://twitter.com/o_ob