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Unusual Red Spiral Galaxies "Strangled" - Universe Today
[/caption] Usually a galaxy’s shape corresponds with its color as well as its age. Spiral galaxies appear blue because they are still dynamically forming hot young stars. Elliptical galaxies, on the other hand, are mostly old, dead, and red. But surprisingly, two international collaborations have both separately identified a population of unusual red spiral galaxies. … Continue reading "Unusual Red Spiral Galaxies “Strangled”"