The infrared vision of NASA's Spitzer Space Telescope has revealed that the Sombrero galaxy named after its appearance in visible light to a wide-brimmed hat is in fact two galaxies in one. A century of psychological research shows that under laboratory conditions. According to the NASA, this is a large elliptical galaxy (blue-green) with a thin disk galaxy (partly seen in red) embedded within. Previous visible-light images led astronomers to believe the Sombrero was simply a regular flat disk galaxy.
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