What's the ring?

• by astrowq

  Maybe this ring is strange.How it formed?

  Posted September 19, 2012 3:34 PM

• by Lovethetropics

  Ringed galaxy, read this: http://en.wikipedia.org/wiki/Ring_galaxy
  No space for explanation here

  Posted September 19, 2012 3:39 PM

• by JKD

  definitely a ring system

  Posted September 19, 2012 5:56 PM