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