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    Astronomers have for the 1st time probed the Magnetic fields in the Mysterious Inner regions of Stars

    October 23, 2015, Categories  Astronomy/Space

    Artistic representation (not to scale) of a red giant star with strong internal magnetic fields. Waves propagating through the star become trapped within the stellar core when a strong magnetic field is present, producing a "magnetic greenhouse effect" that reduces the observed amplitude of stellar pulsations. Credit: Rafael A. García (SAp CEA), Kyle Augustson (HAO), Jim Fuller (Caltech) & Gabriel Pérez (SMM, IAC), Photograph from AIA/SDO

    Artistic representation (not to scale) of a red giant star with strong internal magnetic fields. Waves propagating through the star become trapped within the stellar core when a strong magnetic field is present, producing a “magnetic greenhouse effect” that reduces the observed amplitude of stellar pulsations. Credit: Rafael A. García (SAp CEA), Kyle Augustson (HAO), Jim Fuller (Caltech) & Gabriel Pérez (SMM, IAC), Photograph from AIA/SDO

    Using asteroseismology, which uses sound waves generated by turbulence on the surface of stars to determine their inner properties scientists found the fusion-powered cores of red giants, stars that are evolved versions of our sun, are strongly magnetized. The findings will help astronomers better understand the evolution of stars.

    “In the same way medi...

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