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New to Vedic astrology? Here's a quick guide to the concepts ZodiacSign uses - the grahas, rasis, houses, nakshatras, and how positions turn into predictions.

The Nine Grahas

Vedic astrology tracks nine grahas, or planetary influences: Surya (Sun) for vitality and self, Chandra (Moon) for mind and emotions, Mangala (Mars) for energy and courage, Budha (Mercury) for intellect and communication, Guru (Jupiter) for wisdom and growth, Shukra (Venus) for love and comfort, and Shani (Saturn) for discipline and delay. Rahu and Ketu, the Moon's two lunar nodes, aren't physical bodies - they're the points where the Moon's orbit crosses the Sun's path, always sitting exactly opposite each other. Rahu is linked to ambition and worldly desire, Ketu to detachment and past karma. ZodiacSign calculates the current position of all nine every day.