Uranus, in Greek religion and mythology, the heaven, first ruler of the universe, son of Gaea (the earth). He was the father of Gaea's children, the Titans, the Cyclopes, and the Hundred-handed Ones (the Hecatoncheires). Fearing that his children would rebel against him, he imprisoned them, but Kronos, a Titan, with the help of Gaea, castrated him, thereby taking away his power. From the blood of Uranus that fell on Earth sprang the three Furies (the Erinyes), the goddesses of revenge. According to Hesiod, Aphrodite was born of Uranus' discarded flesh and the foaming sea.

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