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NASA Is Watching a Vast, Growing Anomaly in Earth's Magnetic Field
"The magnetic field is actually a superposition of fields from many current sources," geophysicist Terry Sabaka from NASA's Goddard Space Flight Centre in Greenbelt, Maryland explained in 2020.
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NASA satellites catch Earth's magnetic field making music
Earth's magnetic field occasionally bursts into song — but these compositions are written with electromagnetic radiation, not ...