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

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

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