ASTROLOGY CH. 12: MITIGATING RAU'S MATERIAL DELUSION: The planet Rahu is not a physical planet but rather a shadow planet. In fact, both Rahu and Ketu are shadow planets joined together at imaginary points in the sky where the elliptical orbits of the moon and the sun intersect.
ASTROLOGY CHAPTER 9: THE WISDOM OF BRIHASPATI (JUPITER) Brihaspati, or Jupiter, is one of the most auspicious and beneficial planets. He is the form of the Guru, the form of Lord Shiva, and the God of wisdom and eloquence. http://www.shreemaa.org/brihaspati-jupiter/