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