In Hindu tradition, Rahu is a severed head of an asura, that swallows the sun causing eclipses. He is depicted in art as a serpent with no body riding a chariot drawn by eight black horses. Rahu is one of the navagrahas (nine planets) in Vedic astrology and is paired with Ketu. The time of day considered to be under the influence of Rahu is called... Found on http://en.wikipedia.org/wiki/Rahu
In Hindu mythology, Rahu is the demon that causes eclipses. The story says that he drank some of the nectar of immortality, was caught by the sun and moon who informed upon him and Vishnu cut off his head, however the mouth having touched the elixir remained immortal and forever hunts the sun and moon, occasionally catching them and so causing ecli... Found on http://www.probertencyclopaedia.com/browse/D7.HTM