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