Reflections of the Ghost Nebula via NASA https://j.mp/3dULFAD https://j.mp/3kucOgb

aki

5年前

Reflections of the Ghost Nebula via NASA https://t.co/0EDIcjDGTz pic.twitter.com/1EfpYRla8t

— Akihiko SHIRAI, Ph.D #VTC20 (@o_ob) October 26, 2020

from Twitter https://twitter.com/o_ob