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Image: An aurora in another light

An aurora in another light
Credit: NASA/Lauren Dauphin and Wanmei Liang, NOAA

The Visible Infrared Imaging Radiometer Suite sensor on the NOAA-NASA Suomi NPP satellite captured this image of the aurora borealis, or northern lights, over western Canada at 3:23 a.m. MST (5:23 a.m. EST) on November 5, 2023.

Auroras are colorful ribbons of light appearing in night skies, incited by a strong geomagnetic storm in Earth's magnetosphere. Multiple from the sun sent a surge of charged particles toward Earth. After colliding with Earth's magnetosphere, some particles trapped in the are accelerated into Earth's upper atmosphere where they excite nitrogen and oxygen molecules and release photons of light, known as the aurora.

If you like watching displays such as these, you can help scientists verify aurora sightings so they can analyze and include them in space weather models.

Provided by NASA

Citation: Image: An aurora in another light (2024, January 18) retrieved 19 June 2024 from https://phys.org/news/2024-01-image-aurora.html
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