Skip to Main Content

Solar System - Jupiter Topics

  • A Big Moon Close Up

    2000Sept. 20, 2011

    On May 20, 2000, NASA's Galileo spacecraft flew 808 km above the surface of our solar system's largest moon, Ganymede.

  • Galileo Looks for Auroras on Ganymede

    2000April 6, 2011

    NASA's durable Galileo spacecraft flew above the solar system's largest moon this morning in search of extraterrestrial Northern Lights.

  • Great Ganymede!

    2000April 6, 2011

    This weekend the Galileo spacecraft will hunt for signs of mysterious "cryptovolcanoes" and collect new data on Ganymede's unique magnetic field.

  • Caught in the Act

    2000April 6, 2011

    In November 1999, astronomers photographed a large volcanic eruption on Io just as Galileo was flying by Jupiter's fiery satellite.

  • Storms Collide on Jupiter

    2000April 6, 2011

    NASA's Hubble Space Telescope has captured dramatic images of two swirling storms on Jupiteras they collided to form a truly titanic tempest. The resulting storm may be second in size only to the Great Red Spot itself.

  • New Evidence for an Alien Ocean

    2000April 6, 2011

    Fluctuations in the magnetic field surrounding Jupiter's moon Europa are a telltale sign of salty liquid water beneath the moon's icy crust. Europa could harbor the solar system's largest ocean.

  • The Great Dark Spot

    2003April 6, 2011

    For more than a century, astronomers thought the Great Red Spot was the biggest thing on Jupiter. But cameras onboard the Cassini spacecraft have revealed something at least as large: the Great Dark Spot.

  • Beware: Io Dust

    2004April 6, 2011

    Jupiter's moon Io is shooting tiny volcanic projectiles at passing spacecraft.

  • A Close Encounter with Jupiter

    2004April 6, 2011

    This week, Earth and Jupiterare only 400 million miles apart--the nearest the two worlds will be all year.