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