The Sun is a star, just like those we see shining at night, but it’s closer to the Earth.

A star is a gigantic ball of very hot gas that produces a lot of energy. This energy leaves the surface in the form of light.

When the sun lights up one side of the Earth, the opposite side is completely dark. So the Sun decides if it’s day or night.

One year on Earth is the time it takes for the Earth to go right round the Sun.

So the Sun sets the tempo, but why is it so important for us?