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