Uranus

Uranus (, named after the Greek god of the sky (Uranus, [[wiktionary:οὐρανός|]]), is the seventh planet from the Sun. It is a gas giant, the third largest by diameter and fourth largest by mass. Its astronomical symbol is . The symbol is a combination of the symbols for the Sun and Mars, as Uranus was the personification of heaven in Greek mythology, dominated by the light of the Sun and the power of Mars. It is also the alchemical symbol of platinum.