The term Graha in Sanskrit language, which literally means to seize, or to hold, is considered to be a cosmic influencer on the living beings of the earth. In Hindu astrology there is a total of nine influencers who are together termed as the Navagrahas. All the of the navagraha are said to have have relative movement with respect to the background of fixed stars in the zodiac. The Navagrahas of Hindu astrology are Sun, Moon, Mars, Mercury, Jupiter, Venus, Saturn, Rahu (the ascending node of the moon) and Ketu (the descending node of the moon).