Blue emission

• by Oliver_Cotton_94

  Blue emission around the central feature.

  Posted November 15, 2015 11:54 AM

• by JeanTate

  Welcome to Galaxy Zoo, Oliver_Cotton_94!

  The blue emission, a.k.a. 'blue stuff', in this Illustris sim represents young stars. There's a recent, very good, GZ blog post which explains it in much more detail: “Blue stuff” in the Illustris galaxy images

  Hope this helps, and happy hunting! 😃

  Posted November 15, 2015 12:48 PM