Arctic Circle, imaginary circle on the surface of the earth at 661/2°N latitude, i.e., 231/2° south of the North Pole. It marks the northernmost point at which the sun can be seen at the winter solstice (about Dec. 22) and the southernmost point of the northern polar regions at which the midnight sun is visible.
The Columbia Electronic Encyclopedia, 6th ed. Copyright © 2012, Columbia University Press. All rights reserved.
More on Arctic Circle from Infoplease:
- Arctic Circle: meaning and definitions - Arctic Circle: Definition and Pronunciation
- The Arctic - The Arctic Region, primarily made up of the frozen Arctic Ocean, that surrounds the North Pole. ...
- The Seasons - The Seasons The seasons are caused by the tilt of Earth's axis (23.4°) and not by the fact ...
- Lovers of the Arctic Circle - Lovers of the Arctic Circle Director: Julio Medem Fine Line Features; R; 112 minutes Release: 4/99 ...
- World Geography Glossary - Find the definition and images of common and useful geography terms, from Infoplease.com