Posted by ROSHAN B.S on Aug. 24, 2014, 10:29 a.m.
An equator is the intersection of a sphere's surface with the plane perpendicular to the sphere's axis of rotation and midway between the poles. The Equator usually refers to theEarth's equator: an imaginary line on the Earth's surface equidistant from the North Poleand South Pole, dividing the Earth into the Northern Hemisphere and Southern Hemisphere. Other planets and astronomical bodies have equators similarly defined. Earth's equator is about 40,075 kilometres (24,901 mi) long; 78.7% is across water and 21.3% is over land.