Matching Pairs UNIVERSE DEFINITIONSOnline version Match the words and the definitions by FRANCIS FERNANDEZ ESTARLICH 1 2 Eclipse of the Sun 3 Light Year 4 Day and night 5 6 7 Eclipse of the Moon 8 Seasons and the length of the day 9 An Astronomical Unit (AU) 10 The Big Bang theory It happens when the Earth is positioned between the Sun and the Moon and stops the Moon from reflecting light from the Sun. low tide Is the distance which light travels in a year. rotation It is an average distance between the Earth and the Sun revolution It explains the creation of the Universe and its expansion They are consequences of the Earth´s rotation They are consequences of the Earth´s revolution It happens when the Moon is positioned between the Sun and the Earth.