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