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  The Planet Jupiter

Jupiter - Planet fifth in order from the sun. In Roman mythology, ruler of the gods. (Greek name, Zeus).

Jovian - Of or relating to the planet Jupiter.

Current Location the the Jovian Moons

Click here to find out how far away
Jupiter would be if the sun
was only 10 feet tall.


  • Galileo Project Home Page Launched in 1989, the Galileo spacecraft arrived at Jupiter on December 7, 1995, when it fired its main engine for a successful orbit capture around Jupiter. On that day, Galileo's atmospheric probe plunged into Jupiter's atmosphere and relayed information on the structure and composition of the solar system's largest planet. The spacecraft's orbiter will spend the next two years orbiting the giant planet, studying Jupiter and its moons (encountering one moon during each orbit), and returning a steady stream of images and scientific data. After completing its primary mission, Galileo will then begin its two year extended mission called the Galileo Europa Mission.
  • Jupiter Jupiter is the fifth planet from the Sun and by far the largest. Jupiter is more than twice as massive as all the other planets combined (318 times Earth). orbit: 778,330,000 km (5.20 AU) from Sun diameter: 142,984 km (equatorial) mass: 1.900e27 kg Jupiter (a.k.a. Jove; Greek Zeus) was the King of the Gods, the ruler of Olympus and the patron of the Roman state. Zeus was the son of Cronus (Saturn). This and other facts about Jupiter can be found in detail here.
  • Jupiter Events What future events will be happening on Jupiter? You can find this information here. It also all sorts of details on the Jovian system.
  • Jupiter Millenium Flyby The Cassini spacecraft, on its journey to Saturn, made a flyby of the giant planet Jupiter. The Galileo spacecraft has been exploring Jupiter since 1995.
  • Voyager Mission Homepage NASA launched the two Voyager spacecraft to Jupiter, Saturn, Uranus, and Neptune in the late summer of 1977. Voyager 1's closest approach to Jupiter occurred March 5, 1979. Voyager 2's closest approach was July 9, 1979.
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