The Ring Nebula is a bright shell of gas in the constellation Lyra. It has long served as a textbook example of how stars ...
"One thing popped out as clear as anything, this previously unknown 'bar' of ionized iron atoms, in the middle of the ...
The Veil Nebula is an extensive nebulous region in the constellation Cygnus, measuring 3 degrees across, recognized by various names including the Cygnus Loop and the Witch’s Broom. Composed of ...
The glorious, billowing Southern Ring Nebula is the cocoon of a dying star — and it has a secret. Scientists have found this nebula to exhibit a double-ring structure that evidences not one, but ...