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