An imaginary circle on the surface of the Earth, the latter being regarded as being cut by the plane through the centre of the Earth perpendicular to the polar axis; it divides the Earth into the northern and southern hemispheres, and is the primary circle from which terrestrial latitudes are measured,
What is TERRESTRIAL EQUATOR?
Edited and fact checked by Pam: Google +
The Science Dictionary is the most comprehensive source of science definitions online with over 38K science terms written and created by our global team of scientists and academic professionals. ...more