Aurora Over Qaraliq
by Juan Carlos Casado (starryearth.com) / Science Photo Library
Title
Aurora Over Qaraliq
Artist
Juan Carlos Casado (starryearth.com) / Science Photo Library
Medium
Photograph - Photograph
Description
Aurora borealis and the Milky Way over Qaleraliq glacier, Greenland. The aurora borealis, or northern lights, is a coloured light display that is visible in the night sky, usually only at high latitudes. It occurs when charged and energetic particles from the Sun (the solar wind) are drawn by Earth's magnetic field to the polar regions. Hundreds of kilometres up, they collide with gas molecules and atoms, causing them to emit light.
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April 27th, 2022
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