Aurora borealis in Alaska

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Aurora borealis in Alaska

Aurora borealis over the treeline. The aurora borealis (northern lights) is an atmospheric phenomenon that occurs at high latitudes, appearing as shimmering bands of coloured light in the sky. It occurs when charged particles in the solar wind are directed towards the poles by Earths magnetic field. There they collide with atoms in the upper atmosphere, causing them to emit light. The colour of the light depends on the gas involved. Green is produced by excited atomic oxygen. Photographed in Bettles, northern Alaska

Science Photo Library features Science and Medical images including photos and illustrations

Media ID 6373855

© CHRIS MADELEY/SCIENCE PHOTO LIBRARY

Alaska Atmospheric Phenomenon Aurora Borealis Aurorae Auroral Band Earth Science Effects Electromagnetic Effect Glow Ionised Ionising Light Natural Night Sky North American Northern Lights Oxygen Sciences Silhouette Silhouetted Sky Line Swirl Swirling Tree Line Bettles Physical

EDITORS COMMENTS
This print captures the mesmerizing beauty of the Aurora borealis in Alaska. The ethereal phenomenon, also known as the northern lights, illuminates the night sky with shimmering bands of vibrant colors. In this image, taken in Bettles, northern Alaska, the aurora borealis dances gracefully over a silhouetted treeline. The stunning display is a result of charged particles from the solar wind being directed towards Earth's magnetic poles by its magnetic field. As these particles collide with atoms in the upper atmosphere, they emit light that creates this breathtaking spectacle. The color of the light depends on the specific gas involved; here we see a vivid green glow produced by excited atomic oxygen. The composition of this photograph is truly remarkable - with swirling patterns and an enchanting blend of natural elements against a dark sky backdrop. It evokes a sense of wonder and awe at our planet's extraordinary phenomena. This image not only showcases nature's celestial artistry but also serves as a reminder of how interconnected Earth's physical forces are. Through scientific exploration and understanding, we can appreciate both the beauty and complexity behind such atmospheric occurrences. As you gaze upon this print, let yourself be transported to Alaska's vast wilderness where you can witness firsthand one of nature's most captivating displays - an experience that will leave you forever enchanted by our planet's wonders.

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