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