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