NASA / JPL-CALTECH / SCIENCE PHOTO LIBRARY NASA / JPL-CALTECH / SCIENCE PHOTO LIBRARY
Rocky debris around Vega. Artwork of the ring of rocky debris orbiting the star Vega. Vega is the brightest star in the constellation Lyra and the fifth-brightest in the sky. It debris disk is thought to be composed of dust particles and asteroid-like objects. The origin of the disk is not certain. It may have formed from material left from the formation of the star, or from a later collision between protoplanets. The structure of the debris disk has been examined in infrared by the Spitzer Space Telescope and the Herschel Space Observatory. The SST observations revealed a more extensive disk structure than previously known. Image published in 2013.
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