Tag: Magnetic field

  • Sun’s Magnetic Field to Flip

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    Daniela
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    The peak of the sun’s solar cycle, which runs about 11-years long, is about to hit. That means that the sun’s magnetic field is about to flip, completely reversing its field in about three to four months. This solar event only happens once during the 11-year cycle, and it signals what solar physicists call the…

  • Photo of the Day

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    Daniela
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    Periodic wobbles in Earth’s core change the length of a day every 5.9 years, according to a study published today (July 10) in the journal Nature. Teasing out this subtle cycle, which subtracts and adds mere milliseconds to each day, also revealed a match between abrupt changes in the length of day and Earth’s magnetic field.…