3,840°K (cooler)


42,000°K (hotter)

B-V Stellar Color Index
Temperatures in Kelvin


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.[12][13] It has a diameter of about 1,392,684 km,[5] 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.[14] Chemically, about three quarters of the Sun's mass consists of hydrogen, while the rest is mostly helium万博体育app手机投注黑平. The remainder (1.69%, which nonetheless equals 5,628?times the mass of Earth) consists of heavier elements, including oxygen, carbon, neon and iron, among others.[15]

Excerpt from Wikipedia.



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