Jupiter is also known as guru or Brahaspati and it also Known as the planet of luck. Jupiter signifies high knowledge, ambitions and accomplishments. Jupiter rules both Moon and Sun controlling the movement of the planets. Jupiter's action is to expand, preserve and increase on all levels.
According to Hindu mythology Jupiter is considered to be the teacher of gods or Devas. Brihaspati is a Brahman by birth and son of Sage Angirasa (and grandson of Brahma) and Surupa. As a God Brihaspathi is a handsome youth with a big-bellied body and a broad chest.