Sun is very important source for light. If sun not rise only one day it's time imagine your life. When sun not provide light in rainy season so all people don't doing complete their work.

Sun is one of planet is provide their light other planet. ![image](https://img.esteem.ws/sz6ulwr39c.jpg)
 ![image](https://img.esteem.ws/mw8a2a6b8e.jpg)