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