Rainbow
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What would account for the varying colors of these bodies? I would assume everyone they are all galaxies, and as a result, would conclude that chemical composition it too varied to account for the color of an entire galaxy as it could for a star. Would this be the result of a blue and red shift due to the trajectories of these galaxies?
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by Budgieye moderator
The oval fuzzy things are galaxies slightly red with distance. The round things are stars in our galaxy. The lower one is a white star, and the upper one is a blue star. See this links for explanations. Cheers 😃
Galaxy Redshift Chart http://talk.galaxyzoo.org/#/boards/BGZ0000001/discussions/DGZ0000ulp?page=2
Spectra Guide for Galaxy Zoo Talk
http://talk.galaxyzoo.org/#/boards/BGZ0000001/discussions/DGZ0000ulp?page=3Posted