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