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