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