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