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Close-up Of Dying Star Shows Our Suns Fate
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Close-up Of Dying Star Shows Our Sun's Fate

December 16, 2009
Chi Cygni, shown in this artist's conception, is a red giant star nearing the end of its life. As it runs out of fuel, it pulses in and out, beating like a giant heart and ejecting shells of material. Observations by the Infrared Optical Telescope Array found that, at minimum radius, Chi Cygni shows marked inhomogeneities due to roiling "hotspots" on its surface.


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