Like in biology and other natural sciences there are classification-schema for cosmology/astrophysics to classify stars, galaxies and other objects. I naively believed, that the task to classify the morphology of galaxies (E,S types etc.) is done by state-of-the-art pattern recognition algorithms.
It seems that this is not the case. The project Galaxy Zoo for example instructs layman to classify galaxies according some simple rules.
I was looking for publications about morphological galaxy classification and was surprised about my findings. There is not much published on this topic. Now, there are two options: a) there is not much to say about it, because the problem is that trivial or b) there has been not much research done into this area so far.
I favor b) because of the existence of the GalaxyZoo Project. I wonder how state-of-the-art algorithm perform dealing with these problems.
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