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