Our Sun's 11-Year Magnetic Cycle Destined to Disappear:

The Sun's 11-year magnetic cycle appears to be ending, but that won't happen anytime soon. In a paper submitted on May 26 to the journal Solar Physics, two solar scientists are reinterpreting earlier evidence to hypothesize that the Sun's rotation rate and magnetic field are in a transitional phase that could lead to lengthening solar cycles, with the cycle ultimately disappearing altogether between 800 million and 2.4 billion years from now. Travis S. Metcalfe and Jennifer van Saders propose the scenario in their paper "Magnetic Evolution and the Disappearance of Sun-like Activity Cycles."

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