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