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Fourth echelon

Scientists discover brightest galaxy in the universe

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LEICESTER, England, May 21 (UPI) -- NASA's Wide-field Infrared Survey Explorer, one of the agency's post powerful space telescopes, has located the most luminous galaxy to date -- emitting 300 trillion suns worth of infrared red light.

The galaxy, named WISE J224607.57-052635.0, belongs to a newly defined class of galaxies known as extremely luminous infrared galaxies, or ELIRGs. WISE was also responsible for helping astronomers find new types of extra-bright star clusters.

Researchers believe an especially hungry supermassive black hole at the center of the galaxy is likely responsible for the galaxy's impressive luminosity. As the black hole swallows the surrounding gas, it emits visible, ultraviolet, and X-ray light. Dust clouds absorb that light, and as they do, they heat up and give off infrared light.






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