Blue dots
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by Nib1943
are the blue dots images of new stars
Posted
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by ElisabethB moderator
Correct ! The blue dots in these Illustris images are star forming areas in the galaxy.
See here (http://blog.galaxyzoo.org/2015/11/11/blue-stuff-in-the-illustris-galaxy-images/) for more information.
Happy hunting ! 😄
Posted