Astro*Dictionary
by Michael Erlewine

1 article for
"Antarctic Circle"

A circle of geographic latitude whose distance from the South Geographic Pole is equal to the tilt or inclination of the Earth's axis to the plane of the Ecliptic (23°27'). This geographic latitude is: South 66°33' (= 90°-23°27').

 

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