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