How does a solar eclipse happen?

Solar Eclipse occurs when the Earth, the moon and the sun are almost straight and the moon is in the middle, so that the moon casts its shadow on the earth, and in this case if we are in a suitable place to watch the eclipse we will see the dark moon disk cross the sun’s luminous disk, and see those who are In the inner part of the shadow is a total solar eclipse, while people in the outer part of the moon's shadow see the sun partially obscured by the moon. For more..