Artefact - or not
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by Peter_Dzwig
Got this one through. Its a bit odd. Are there smaller nuclei within this, or is it my eyes? In the positive image there are definitely bluish blobs appearing. In the negative, they are less so. Could they be an artefact of the process?
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by ElisabethB moderator
Hi Peter
Apparently the blue blobs are star forming areas in the galaxy.
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by JeanTate in response to Peter Dzwig's comment.
This is from Illustris, and - as Els says - 'star-forming regions' (in the sim) tend to look like blue blobs.
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