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    Study finds our Sun is like other stars, resolving mystery - Forum

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    Forum moderator: arya, dethalternate  
    Forum » Main » Science, Astronomy, Nature » Study finds our Sun is like other stars, resolving mystery
    Study finds our Sun is like other stars, resolving mystery
    ManuDate: Friday, 14-July-2017, 12:04 PM | Message # 1
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    The Sun's magnetic poles flip every 11 years in a cycle determined by its rotation rate and luminosity, like other nearby, solar-type stars

    Our Sun is much like other stars, and not an anomaly because of its magnetic poles that flip every 11 years, scientists said Thursday.

    The report in the journal Science aims to lay to rest the controversy over whether our solar system's star is cyclic, like other nearby, solar-type stars.
    "We have shed light on a fundamental mechanism which determines the length of these cycles, which helps us understand the cycle itself over the long-term," lead author Antoine Strugarek, a researcher at the University of Montreal, told AFP.
    "We can therefore say of the Sun's next magnetic cycle in 10 or 20 years will be intense, long or short, which helps us understand among other things what kind of satellites to put in orbit and the most favorable launch windows."
    Activity on the Sun, from the number of sunspots to levels of radiation and ejection of material, varies on an 11-year cycle.
    These changes are driven by the Sun's magnetic field.
    Scientists have long believed that our Sun was unusual because it did not match the magnetic cycles observed on other solar-type stars.
    So researchers carried out a series of simulations of stellar magnetic fields, and showed that the Sun's magnetic cycle depends on its rotation rate and luminosity, said the report.


    untotenawake
    Read more/full article/source - https://phys.org/news/2017-07-sun-stars-mystery.html
     
    Forum » Main » Science, Astronomy, Nature » Study finds our Sun is like other stars, resolving mystery
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