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