# A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Astro*Dictionary by Michael Erlewine





1 article for "Arctic Circle"

Arctic Circle [Astro*Index]

A circle of latitude whose distance from the North Geographic Pole is equal to the tilt or inclination of the Earth's axis from a normal to the plane of the Ecliptic. This geographic latitude is North 66°33'(= 90° - 23°27'). The Arctic Circle defines the northern region which experiences 24 hours of daylight or darkness.


See also: ♦ North Pole ♦ Geographic Coordinates ♦ Axis, Inclination of ♦ Ecliptic


Astro*Index Copyright © 1997 Michael Erlewine