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The Sun’s Magnetic Field Is Generated Surprisingly Close to Its Surface, New Study Suggests

23.05.24 | Cuca Margoux

by Sharmila Kuthunur

Our star’s powerful magnetic field may originate in a layer only 20,000 miles deep.

Our Sun is far from a smooth, white ball in the sky. Twisting and looping magnetic field lines rise from its surface like hair, causing dark, transient patches on the surface called sunspots wherever they emerge. On particularly turbulent days, the Sun spews intense bursts of radiation like the ones that recently graced Earth with spectacular, awe-inspiring aurorae.

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