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The Arctic Circle, at roughly 67.5° north, is the boundary of the Arctic waters and lands. The Arctic Circle is one of the two polar circles, and the northernmost of the five major circles of latitude as shown on maps of Earth at about 66° 34' N. [1] Its southern counterpart is the Antarctic Circle.
World map with the middle latitudes highlighted in red Extratropical cyclone formation areas. The middle latitudes, also called the mid-latitudes (sometimes spelled midlatitudes) or moderate latitudes, are spatial regions on either hemisphere of Earth, located between the Tropic of Cancer (latitude 23°26′09.7″) and the Arctic Circle (66°33′50.3″) in the northern hemisphere and ...
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Temperatures hit triple digits at a Russian town in the Arctic Circle on Saturday, either breaking or nearly breaking the hottest temperature on record in this polar realm. Preliminary ...
Visualization of the ice and snow covering Earth's northern and southern polar regions Northern Hemisphere permafrost (permanently frozen ground) in purple. The polar regions, also called the frigid zones or polar zones, of Earth are Earth's polar ice caps, the regions of the planet that surround its geographical poles (the North and South Poles), lying within the polar circles.
There are 20 known sub-populations of polar bears across the Arctic. This is one of the most southerly and best studied. "They're our fat, white, hairy canaries in the coal mine," Alysa explains.
In Siberia — just north of the Arctic Circle — record temperatures led to quick snowmelt. In fact, the entire Eurasian continent saw its fourth-smallest snow cover extent in May of last year ...