An aging star is creating a flurry of glowing knots of gas in this close-up image of the Dumbbell Nebula, released by NASA, Feb. 10, 2003. The Dumbbell, residing more than 1,200 light-years away, is the result of an old star that has shed its outer layers in a glowing display of color. The image shows oxygen in blue, hydrogen in green and a combination of sulfur and nitrogen emission in red.
(Photo: AP/NASA)
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