The Ring Nebula Is Much, Much More Than A Ringhttps://t.co/x9UCsBFPw8
You might thing that when some stars die, they'd blow off their outer layers in a sphere, producing a beautiful ring-like appearance in all directions.

Well, that's not what the Ring Nebula is at all!

— Ethan Siegel (@StartsWithABang) June 3, 2019

from http://twitter.com/StartsWithABang
on: June 03, 2019 at 03:02AM