Orion Nebula in Oxygen, Hydrogen, and Sulfur via NASA https://j.mp/3cWgEvo https://j.mp/36vlEGo

aki

5年前

Orion Nebula in Oxygen, Hydrogen, and Sulfur via NASA https://t.co/JnUVa1VxlJ pic.twitter.com/uTdSm4tvr6

— Akihiko SHIRAI, Ph.D #VTC20 (@o_ob) October 4, 2020

from Twitter https://twitter.com/o_ob