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