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Extreme days and nights - daylight variation in the Arctic: Reykjavik, Murmansk and Alert

The Arctic and Antarctic have long nights in the winter and long days in the summer. Above the Arctic Circle (66 °N), there is at least one day with no sun– polar night, and one day with no night— midnight sun. This graph shows the length of day through the year for three places in the Arctic: Reykjavik, Iceland, is the only national capital in the Arctic, Murmansk, Russia, is one of the largest cities in the nort and finally Alert, Canada, the northernmost inhabited place on Earth. Alert experiences 4_ months with the sun below the horizon (polar night) in the winter, and 4_ months of midnight sun.

Year: 2008

From collection: International Polar Year (IPY) educational posters

Cartographer: Hugo Ahlenius, UNEP/GRID-Arendal

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