Blue coloured cloud

• by Koen_Van_Driessche

  What's the blue colouring?

  Posted March 22, 2013 3:10 PM

• by Nandom

  Asteroid maybe? They leave weird colors.
  http://www.galaxyzooforum.org/index.php?topic=3393.0

  Posted March 22, 2013 3:16 PM