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Hotter than the sun

Researchers directly observe Alfvén waves, which keep the corona sizzling

By Solmaz Barazesh

- More than 2 years ago

Magnetic waves theorized to transfer heat from the surface of the sun to its atmosphere have been directly observed for the first time, researchers report in the March 20 Science.

HEAT WAVE The Swedish 1-m Solar Telescope captured this image of an approximately 8,000 kilometer by 8,000 km region on the sun’s surface.