SUN
The Sun is the star at the center of the solar system. It is almost perfectly spherical and consist of hot plasma inter woven with magnetic fields.It has a diameter of about 1,392,648 km,around 109 times that of the Earth.and its mass(1.989*1030 kilograms,approximately 330/000 times the mass of Earth)accounts for about 99.86% of total mass of the solar system.