Ketu

The story of Ketu begins with the great cosmic event known as the Samudra Manthan, the Churning of the Ocean of Milk, one of the most celebrated narratives in Hindu mythology. The Devas and Asuras, locked in their eternal struggle for supremacy, agreed to a temporary truce to churn the primordial ocean and extract Amrita, the nectar of immortality. Using Mount Mandara as the churning rod and the serpent Vasuki as the rope, they churned for ages until the ocean yielded its treasures — among them the divine physician Dhanvantari bearing the pot of Amrita.

As the precious nectar was distributed among the Devas, an asura named Svarbhanu, son of the demoness Simhika and the Danava chieftain Viprachitti, devised a cunning plan. Disguising himself as a Deva, he slipped into the celestial ranks and seated himself between Surya, the Sun god, and Chandra, the Moon god. When his turn came, Svarbhanu received and swallowed a portion of the Amrita. But Surya and Chandra, with their all-seeing luminous eyes, recognized the impostor and immediately alerted Lord Vishnu.

Vishnu, who had assumed the enchanting form of Mohini to distribute the nectar, acted with devastating swiftness. He hurled his Sudarshana Chakra, the divine discus of irresistible power, at Svarbhanu. The blazing weapon severed the demon's body cleanly at the neck. However, because the Amrita had already passed through Svarbhanu's throat, both the severed head and the headless torso had become immortal and could not perish.

The head, now known as Rahu, was consumed by an insatiable rage against Surya and Chandra for their betrayal. It ascended to the heavens as the north lunar node, periodically swallowing the Sun and Moon to cause eclipses — though they pass through his severed neck and emerge again, making each eclipse temporary. The torso, now called Ketu, became the south lunar node, carrying within it a very different energy.

Unlike Rahu's outward hunger and worldly grasping, Ketu embodies the opposite principle. Severed from his senses and his worldly identity, Ketu became the embodiment of Vairagya — supreme detachment and renunciation. Having lost his head, he lost his attachment to material perception and ego, and thus became a powerful force for spiritual liberation. In Jyotish tradition, Ketu's placement in a birth chart indicates where a soul has already accumulated mastery from past lives and where it must now practice letting go. Brahma, moved by the cosmic significance of this transformation, granted Ketu a place among the nine planetary deities, the Navagrahas, where he continues to influence human destiny by compelling souls toward their ultimate spiritual evolution.