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