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Free-floating Failed Star
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Free-floating Failed Star

October 22, 2013
This artist’s conception portrays a free-floating brown dwarf, or failed star. A new study using data from NASA's Spitzer Space Telescope shows that several of these objects are warmer than previously thought, with temperatures about 250 to 350 degrees Fahrenheit (125 to 175 degrees Celsius). Image credit: NASA/JPL-Caltech