The Sun shines by turning hydrogen into helium in its core. This process is called nuclear fusion. Fusion happens when lighter elements are forced together to become heavier elements. When this happens, a tremendous amount of energy is created.
Where does the Sun shine at night?
The Sun is but a fixed Star!
Day or night, the Sun is fixed at its place in the solar system. It is the Earth's rotation and spinning that makes the Sun disappear at night. The Sun is always shining and spreading its light on the Earth. But it cannot provide light on the entire Earth at the same time.
Which country has no day?
Norway: Situated in the Arctic Circle, Norway is called the Land of the Midnight Sun. For about a period of 76 days from May to late July, the sun never sets.