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