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The aurora's characteristic wavy patterns and 'curtains' of light are caused by the lines of force in the Earth’s magnetic field. The lowest part of an aurora is typically around 80 miles above the Earth's surface. However, the top of a display may extend several thousand miles above the Earth.
Jun 10, 2021 · The aurora borealis, or northern lights, is a spectacular natural light display. Researchers at the University of Iowa have now found that the most brilliant auroras are made by powerful ...
An aurora [a] (pl. aurorae or auroras), [b] also commonly known as the northern lights (aurora borealis) or southern lights (aurora australis), [c] is a natural light display in Earth's sky, predominantly seen in high-latitude regions (around the Arctic and Antarctic). Auroras display dynamic patterns of brilliant lights that appear as curtains, rays, spirals, or dynamic flickers covering the ...
Jun 7, 2021 · The aurora borealis, or northern lights, that fill the sky in high-latitude regions have fascinated people for thousands of years. But how they're created, while theorized, had not been ...
- University of Iowa
Jun 7, 2021 · But how they’re created, while theorized, had not been conclusively proven. In a new study, a team of physicists led by University of Iowa reports definitive evidence that the most brilliant auroras are produced by powerful electromagnetic waves during geomagnetic storms. The phenomena, known as Alfven waves, accelerate electrons toward Earth ...
created, while theorized, had not been conclusively proven. In a new study, a team of physicists led by University of Iowa reports definitive evidence that the most brilliant auroras are produced by
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Jul 23, 2024 · The northern lights are created when energized particles from the sun slam into Earth's upper atmosphere at speeds of up to 45 million mph (72 million kph), but our planet's magnetic field ...
