Equator
Of great circle.
An imaginary line around the Earth forming the great circle that is equidistant from the north and south poles; "the equator is the boundary between the northern and southern hemispheres".
This concept's ID is @1~45820
Of great circle.
An imaginary line around the Earth forming the great circle that is equidistant from the north and south poles; "the equator is the boundary between the northern and southern hemispheres".
This concept's ID is @1~45820