Matching Pairs UNIVERSE DEFINITIONSOnline version Match the words and the definitions by FRANCIS FERNANDEZ ESTARLICH 1 Eclipse of the Moon 2 3 4 Day and night 5 An Astronomical Unit (AU) 6 Light Year 7 Eclipse of the Sun 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. revolution It explains the creation of the Universe and its expansion rotation They are consequences of the Earth´s revolution low tide 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