Relacionar Columnas Planet Earth IntroVersión en línea Introduccion de características del planeta. Movimientos del planeta y situación de las estaciones anuales. por Estibaliz Martinez 1 The seasons are the result of... 2 The rotation of the Earth is ... 3 The revolution of the Earth is... 4 It is spring or autumn when... 5 It is summer in the Northern hemisphere when... 6 It is winter in the Northern hemisphere when... its elliptical orbit around the Sun. the tilt of the Earth and its orbit round the Sun. its movement around its own axis. the Sun´s rays fall on the Northern hemisphere. the Sun´s rays fall on the Equator. the Sun´s rays fall on the Southern hemisphere.