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NASA Telescope Spots Mega Solar Systems PASADENA, Calif. - Astronomers said Wednesday they
have spotted evidence of two mega solar systems — giant stars
enveloped by what appear to be huge disks of planet-forming dust. Astronomers said the latest findings were surprising because such massive stars are thought to be inhospitable to the formation of planets. "Our data suggest that the planet-forming process may be hardier than previously believed, occurring around even the most massive stars," Joel Kastner, of the Rochester Institute of Technology, said in a statement. Results appear in the Feb. 10 issue of the Astrophysical Journal Letters. The new stars were measured to be 30 to 70 times more massive than the sun. Because of the stars' size, scientists said the surrounding debris disks are larger versions of the Kuiper Belt and probably contain about 10 times more mass. The new stars were found using NASA's Spitzer Space Telescope during a survey of 60 bright stars. Kastner said the new discoveries stuck out from the rest because an analysis indicated the presence of flat disks. Last year, another team of scientists discovered what they believe was a mini solar system. The team found a dust cloud around a brown dwarf, or failed star. ___ ---------------------------------------------------
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