Relier Pairs Imaginary linesVersion en ligne Imaginary lines par Luz Álvarez Herrero 1 They go from the North Pole to the South Pole 2 It is the most important meridian. It is meridian 0º 3 When we are measuring in degrees North or South we are measuring... 4 It begins on 21 June in the Southern Hemisphere 5 It divides the Earth into two hemispheres 6 It begins on 21 March in the Northern Hemisphere 7 The Earth takes 24 hours to make this movement. It causes day and night 8 The Earth takes 365 days and 6 hours to make this movement. It causes the seasons 9 When we are measuring in degrees West or East we are measuring... 10 It begins on 21 June in the Northern Hemisphere WINTER LATITUDE REVOLUTION Greenwich Meridian SPRING SUMMER Meridians EQUATOR LONGITUDE ROTATION