Ring galaxy question

• by ZooBill

  In the bulge of this ring galaxy is a dark spot. I see this a lot, especially on very clear circular galaxies with obvious or dominant bulges. What is the dark spot???

  Posted September 21, 2012 3:18 AM

• by ElisabethB moderator

  optical artefact

  Posted September 21, 2012 10:48 AM