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