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