Sun
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. It has a diameter of about 1,392,684 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. Chemically, about three quarters of the Sun's mass consists of hydrogen, while the rest is mostly helium. 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.
Read more about Sun.
Famous quotes containing the word sun:
“For the sun will shine in my back door some day.”
—Richard M. Jones (1892–1945)
“The sun is shining.
The shadows of the lovers have disappeared.
They are all eyes; they have some demand on me—
They want me to be more serious than I want to be.”
—Louis Simpson (b. 1923)