by Mark Kaelin | August 30, 2012, 12:27am PDT | Image 6 of 19
Except for the rings of Saturn, the Ring Nebula (M57) is probably the most famous celestial band. This planetary nebula's simple, graceful appearance is thought to be due to perspective -- our view from planet Earth looking straight into what is actually a barrel-shaped cloud of gas shrugged off by a dying central star.
Credit: H. Bond et al., Hubble Heritage Team (STScI /AURA), NASA
No messages found
Log in to display your contacts' posts.
Once logged in, adding contacts is simple. Just mouse over any member's photo or click any member's name then click the "Follow" button. You can easily manage your contacts within your account contacts page.
