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