Watching the aurora borealis. Silhouetted human figure on a mountain above city lights on a fjord, watching the aurora borealis, a coloured light disp
Watching the aurora borealis. Silhouetted human figure on a mountain above city lights on a fjord, watching the aurora borealis, a coloured light display (the northern lights) that is visible in the night sky 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. Photographed in Hemnesberget, Nordland, Norway.
Size: 8905px × 3925px
Photo credit: © TOMMY ELIASSEN/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
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