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