Sweden Polar Twilight

By: P-M Heden


Region: Europe

Site: Hedesunda - Sweden

Date: 2016 July 10


Beyond the regular clouds bright electric blue Noctilucent Clouds (NLC) appear in this image from Sweden. They are so high that still reflect the sunshine. These night-shining clouds lie near the edge of space, about 80 kilometers above Earth's surface. They are usually spotted above the Polar Regions in summer. P-M Heden, Clearskies.se

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