Auroral Over Viking House
by Juan Carlos Casado (starryearth.com)
Title
Auroral Over Viking House
Artist
Juan Carlos Casado (starryearth.com)
Medium
Photograph - Photograph
Description
Auroral (aurora borealis) over a Viking house in Greenland. This coloured light display is visible in the night sky, usually only at high latitudes. It occurs when charged and energetic particles from the Sun 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 August.
Uploaded
July 12th, 2016
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