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