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