Hello everyone. Today I'm going to talk about the planet sun. So the sun is the star at the center of the solar system. It is a nearly perfect ball of hot plasma, heated to in, condensed by nuclear views and reactions in its court, radiating the energy mainly as visible light, Alto valid light and infrared. It is by far the most important source of energy for life on Earth, and its diameter is about 139 million kilometers, or 109 times Thapa