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