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