Circle of latitude can be calculated by a common sine or cosine function. The 60th parallel north or south is half as long as the Equator (disregarding Earth's minor flattening by 0.3%). A circle of latitude is perpendicular to all meridians. The latitude of the circle is approximately the angle between the Equator and the circle, with the angle's vertex at Earth's centre. The equator is at 0°, and the North Pole and South Pole are at 90° north and 90° south, respectively. The Equator is the longest circle of latitude and is the only circle of latitude which also is a great
The Longest Winter The Longest Winter The Longest Winter: The Battle of the Bulge and the Epic Story of World War II's Most Decorated Platoon is a non-fiction book written by Alex Kershaw and published in 2004 by Da Capo Press. It became a "New York Times" bestseller. It tells the story of the eighteen men of an intelligence platoon under the command by Lieutenant Lyle Bouck. Placed in a front-line position, the soldiers fought fiercely outside the village of Lansareth to prevent the German advance on the morning of the Battle of the Bulge. The Intelligence and Reconnaissance Platoon from the 394th