As electrons accelerated by Alfvén waves stream along the Earth’s magnetic field (yellow drops), they collide with oxygen atoms (white dots) and molecules of oxygen…
Posts published in “Aurora Borealis”
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February 4, 2022 A blast of high-speed solar wind provoked dancing auroras in early February. Auroras are a brilliant reminder that Earth is constantly absorbing…
Physicists led by the University of Iowa report definitive evidence that auroras that light up the sky in the high latitudes are caused by electrons…
September 15, 2017 Astronauts have snapped numerous photos of the light show from their unique perch on the International Space Station. There are few experiences…