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