A MUSICAL NOTE FROM THE MAGNETOSPHERE: A rare magnetic wave just rolled over Norway--almost as pure as a musical tone. It rocked back and forth every two minutes, stirring AC currents within the soil of the Arctic Circle. What was it? Get the answer on today's edition of Spaceweather.com.
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Above: Magnetic waves over Lofoten, Norway, on Jan. 18, 2021. Credit: Rob Stammes of the Polarlightcenter.
