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