sun (:

the sun is the star at the center if the solar system. it is almost perfectly spherical and consists of hot plasma interwoven with magnetic fields.it has a diameter of about 1,392,684 km around 109 times that of earth and its mass accounts for about 99.86%of the total mass of the solar system. chemically about three quarters of the sun mass consists othydrogen while the rest is mostly helium. the remainder consists of heavier elements including oxygen carbon neon and iron among others.