Galaxy Zoo identifies ‘red spiral’ galaxy populations


In an article on Space.com, Clara Moskowitz writes that the Galaxy Zoo project ( a project where volunteers from the general public help classify images of galaxies from the Sloan Digital Sky Survey ) and a separate project called STAGES (Space Telescope A901/902 Galaxy Evolution Survey) identified significant populations of red spiral galaxies.

These galaxies are thought to be a transitional phase between young hot spiral galaxies and older mature elliptical galaxies.  Up until now there were not enough of them found to establish them as a common stage in galaxy evolution.

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