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Submission + - Brown Dwarf Radio Emissions and the Hunt for Aliens (discovery.com) 1

astroengine writes: "Penn State University researchers have detected flaring emissions from a very cool brown dwarf 33.6 light-years away called "J1047+21." The emissions detected were of radio wavelengths, suggesting some kind of interaction between a magnetic field and charged particles. This is a noteworthy discovery for two reasons: 1) It's the coolest radio-star detected to date and, 2) the method by which this brown dwarf was detected can be applied to large exoplanets that possess magnetospheres. Should the radio emissions from an exoplanet be discovered, this may indicate that an alien biosphere may be protected by a global magnetic field."
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Brown Dwarf Radio Emissions and the Hunt for Aliens

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