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