M1: The Crab Nebula from Hubble via NASA https://j.mp/32Zm3NX https://j.mp/338vECe

aki

5年前

M1: The Crab Nebula from Hubble via NASA https://t.co/12BhWdDIHW pic.twitter.com/f3OskC4g2H

— Akihiko SHIRAI, Ph.D #VTC20 (@o_ob) September 6, 2020

from Twitter https://twitter.com/o_ob