Eclipse of the Moon
An Astronomical Unit (AU)
The Big Bang theory
Seasons and the length of the day
Eclipse of the Sun
Day and night
Light Year
It explains the creation of the Universe and its expansion
Is the distance which light travels in a year.
It happens when the Moon is positioned between the Sun and the Earth.
low tide
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
revolution
It is an average distance between the Earth and the Sun
They are consequences of the Earth´s revolution
