Major Lines of Latitude and LongitudeOnline version Learn the major Lines of Latitude and Longitude by Benjamin DeMott 1 Prime Meridian 2 Equator 3 Arctic Circle 4 Antarctic Circle 5 Tropic of Cancer 6 Tropic of Capricorn 7 Which blue area is the Northern Hemisphere? 8 Which blue area is the Southern Hemisphere? 9 Which blue area is the Eastern Hemisphere? 10 Which blue area is the Western Hemisphere?