A Night Sky Vista from Sardinia via NASA https://j.mp/37wQv61 https://j.mp/3m62j2X

aki

5年前

A Night Sky Vista from Sardinia via NASA https://t.co/kDwAYztmR7 pic.twitter.com/cLvTGI3iLw

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

from Twitter https://twitter.com/o_ob