Encyclopedia - Geography of Oceania Category

Oceania - amazing geography and sights.

Upgrade to Britannica Online

Take a tour, New improved britannica online

Imagine Britannica's 32-volume encyclopedia online right there for you, plus full access to articles. Amazing content, written by world experts, that you can cite for projects and assignments.

Click here for Britannica shop

Arctic Circle

Arctic Circle extract from Britannica Online.

Parallel of latitude approximately 66°30¢ north of the Equator that circumscribes the northern frigid zone. It marks the southern limit of the area within which, for one day or more each year, the sun does not set or rise. The length of continuous day or night increases northward from the Arctic Circle, mounting to six months at the North Pole.

Arctic Circle is one of 26,000 free short articles on Britannica Philippines

Find more information on Arctic Circle. Upgrade to Britannica Online for more on Arctic Circle.

  • Get more

  • M?ss?ng more?

    Subscribers see 10 times more content. Just US $69.95 per year

  • Britannica, just as colourful as The Philippines
  • There's more to Britannica Online than words! Discover photos, graphics, videos, charts, as well as thousands of expert views and articles by the world's leading scholars.