Jupiter, the fifth planet from the Sun is the biggest planet of our solar system. Some say that it is a failed star, if it would be a little bigger it would be a real star. To make you understand its size, imagine it as hollow, then we could put more than one thousand of Earths in it! Jupiter’s mass is more than twice as the combined mass of all other planets (the mass of Jupiter is 318 times that of Earth). Jupiter is the fourth brightest object in the sky after the Sun, the Moon and Venus. Jupiter possesses 28 known satellites, four of which – Callisto, Europa, Ganymede and Io – were observed by Galileo as long ago as 1610. As you see, Jupiter is the most important planet of the solar system. It is also what all traditions all over the world say about this planet as well.

Indeed, the Roman God, Jupiter is the leader of the gods. As each god represents a planet, we could say that for Romans, as for Greeks (Zeus) and any other traditions all over the world that Jupiter is the leader of the other planets. It symbolizes luck and fortune. It is associated with people with high ambitious: priests, teachers, ministers and politicians. Jupiter’s good influence gives happiness and joviality. Jupiter, the greatest, symbolizes also the growth, the generosity, an higher mind and a optimist point of view. Jupiter rules the stomach and all the different organs of digestion. Digestive disorders, gallstones, diabetes, low blood sugar, indigestion, gas, jaundice, hemorrhoids, obesity, malnutrition, hepatitis, obesity, weak digestion, blood sugar, and weight gain are common problem to people under a Jupiter’s bad influence.

Jupiter seems to been known to be the leader of the planet for a long time. In Vedic astrology (more than 5 thousand years ago), Jupiter is also well known as ”˜Brahaspati’ or ”˜Guru’. It is believed to rule both Source: http://photojournal.jpl.nasa.gov/catalog/PIA00343Moon and Sun and controls the movement of the planets. In astronomy, we see that the planets doesn’t follow the Sun’s equatorial plane but their orbits lie closer to Jupiter’s orbital plane. Jupiter’s gravitational influence has dominated the evolution of the solar system, even the majority of short-period comets belong to Jupiter’s family. Jupiter in modern physic is also seen as the leader of the other planets. How people in the past could see this? It is an interesting question which should be study carefully.