I think it's ok, the only thing bothering me is on spiral galaxy there is a giant sun in the middle, there is meant to be a big area that isn't filled with anything not even light ^.^
--------------------------------------------------------------------------- I'm a cat, I'm infinity by default ;)
Not sure what kind of universe you live in, but spiral galaxies usually have supermassive black holes at their centers, surrounded by hot gas and densely packed stars. They are very well lit up, in fact. Here is a side-view of ours: media.skysurvey.org/openzoom.html
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