Moon over Andromeda via NASA https://j.mp/308TdtJ https://j.mp/3i2DKkU

aki

5年前

Moon over Andromeda via NASA https://t.co/npn0WMkZ7q pic.twitter.com/40NCVHwz0k

— Akihiko SHIRAI, Ph.D #VTC20 (@o_ob) September 25, 2020

from Twitter https://twitter.com/o_ob