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Record-breaking radio waves discovered from ultra-cool star

By abe10tiger
May 1, 2012
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  1. Science News

    Record-Breaking Radio Waves Discovered from Ultra-Cool Star

    Penn State University astronomers using the world's largest radio telescope, at Arecibo, Puerto Rico, have discovered flaring radio emissions from an ultra-cool star, not much warmer than the planet Jupiter, shattering the previous record for the lowest stellar temperature at which radio waves were detected.
    [​IMG]
    An artist's impression which shows the relative sizes and colors of the Sun, a red dwarf (M-dwarf), a hotter brown dwarf (L-dwarf), a cool brown dwarf (T-dwarf) similar to J1047+21, and the planet Jupiter. (Credit: NASA/IPAC/R. Hurt (SSC))

    Source: Science Daily
     


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