A giant coronal mass ejection burst from the sun toward Venus on Sept. 5, 2022.

A mysterious shock wave from the sun opens a crack in the Earth’s magnetic field

A mysterious shock wave in a gust of solar wind sent a barrage of high-speed material shattering through Earth’s magnetic field, opening a crack in the magnetosphere. The plasma barrage could lead to a geomagnetic storm today (December 19), according to spaceweather.com.

The origins of the shock wave are not exactly known, but scientists believe it may have come from a coronal mass ejection launched by sunspot AR3165, a bubbly region on the surface of the sun that triggered a burst of at least eight solar flares on Dec. 14, causing a brief radio blackout over the Atlantic Ocean.

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