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