Days, seasons and years are all based on how the Earth moves through space. It orbits the Sun once every year and at different times some parts are pointing away from the Sun (winter) whilst others are pointing towards it(summer). The Earth also spins on its axis once every day so one half is in shadow (night) whilst the other half receives the light of the Sun. Many people enjoy the beauty of sunrise and sunset and the changing seasons without ever thinking of how they are caused. You will know from science lessons that the Sun does not really 'rise' or 'set' in the sky. It appears that the... Show more

Days, seasons and years are all based on how the Earth moves through space. It orbits the Sun once every year and at different times some parts are pointing away from the Sun (winter) whilst others are pointing towards it(summer). The Earth also spins on its axis once every day so one half is in shadow (night) whilst the other half receives the light of the Sun. Many people enjoy the beauty of sunrise and sunset and the changing seasons without ever thinking of how they are caused. You will know from science lessons that the Sun does not really 'rise' or 'set' in the sky. It appears that the Sun orbits the earth but it's actually the other way round. 

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