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