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