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