Galaxy Zoo Talk

Illustris Blueish Rings

  • Kaerea by Kaerea

    I've noticed that Illustris provides quite a number of images like this, with irregular or ring-shaped formations with blue blobs forming the general structure of the ring. What should I assume they are? Galaxies with cores that aren't emitting much light? Dust cloud remnants of some explosion or other disturbing event?


  • ElisabethB by ElisabethB moderator

    Hi Kaerea and welcome to the Zoo

    The blue smudges in these Illustris images are active star forming areas in the galaxy.

    More info here :

    Happy hunting! 😄