Something Just Rocked Earth’s Magnetic Field

Posted by freedomforall 1 week, 6 days ago to Science
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"What happened? Space physicists call this phenomenon a “pulsation continuous” or “Pc” for short. Imagine blowing across a piece of paper, making it flutter with your breath. Solar wind can have a similar effect on magnetic fields. Pc waves are essentially flutters propagating down the flanks of Earth’s magnetosphere excited by the breath of the sun. During more active phases of the solar cycle, these flutters are easily lost in the noise of rambunctious geomagnetic activity. But during the extreme quiet of Solar Minimum, such waves can make themselves “heard” like a pin dropping in an silent room."

I hope some of you Gulch"Magnetic Field mavens" have more to share on this.
SOURCE URL: https://wattsupwiththat.com/2020/06/25/weird-out-of-nowhere-something-just-rocked-earths-magnetic-field/


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