'(<a href="http://www.j-archive.com/media/2005-10-11_DJ_23.wmv">Jimmy of the Clue Crew traces lines on a globe.</a>) Two of these meet around the poles to form what's called a great circle around the Earth'
the meridians
ON THE MAP: Two of these meet around the poles to form whats called a great circle around the Earth
Two of these meet around the poles to form what's called a great circle around the Earth
Two of these meet around the poles to form what's called a great circle around the Earth
ON THE MAP
the meridians
ON THE MAP