TenagaSurya

Sun – Wikipedia, the free encyclopedia

Posted in General by TenagaSurya on July 10, 2009


Sun – Wikipedia, the free encyclopedia
File:Moon transit of sun large.ogg – Wikipedia, the free encyclopedia

The Sun is the star at the center of the Solar System. It is almost perfectly spherical and consists of hot plasma interwoven with magnetic fields.[10][11] It has a diameter of about 1,392,000 km, about 109 times that of Earth, and its mass (about 2×1030 kilograms, 330,000 times that of Earth) accounts for about 99.86% of the total mass of the Solar System.[12] Chemically, about three quarters of the Sun’s mass consists of hydrogen, while the rest is mostly helium. Less than 2% consists of heavier elements, including oxygen, carbon, neon, iron, and others.[13]

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