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.
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Famous quotes containing the word sun:
“The sun of a prince’s good graces resembles that in the skies in that it shines most kindly upon the blackest people.”
—Franz Grillparzer (1791–1872)
“My wife, my wife! what wife? I have no wife.
O insupportable! O heavy hour!
Methinks it should be now a huge eclipse
Of sun and moon, and that th’ affrighted globe
Should yawn at alteration.”
—William Shakespeare (1564–1616)
“The army is always the same. The sun and the moon change. The army knows no seasons.”
—Frank S. Nugent (1908–1965)