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NASA Finds First Interstellar Particles

NASA has identified for the first time seven rare, microscopic interstellar dust particles—that date to the beginnings of the solar system. The particles have been identified amongst samples obtained by NASA's Stardust spacecraft, which returned to Earth back in 2006. The craft contained a tray of silica aerogel, which captured small interstellar dust particles as it journeyed through space on a seven-year, three-billion-mile journey. #tech


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