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 It is summer in the Northern hemisphere when... 3 It is spring or autumn when... 4 The revolution of the Earth is... 5 The rotation of the Earth is ... 6 It is winter in the Northern hemisphere when... the Sun´s rays fall on the Southern hemisphere. the Sun´s rays fall on the Northern hemisphere. its movement around its own axis. the tilt of the Earth and its orbit round the Sun. the Sun´s rays fall on the Equator. its elliptical orbit around the Sun.