There are four types of solar eclipses : The Sun 's distance from Earth is about 400 times the Moon 's distance , and the Sun 's diameter is about 400 times the Moon 's diameter .
This period is called the Saros cycle There are four different types of solar eclipses : The Sun 's distance from the Earth is about 400 times the Moon 's distance , and the Sun 's diameter is about 400 times as big as the Moon 's .