Jupiter System

  • How Jupiter Got Big
    How did the largest planet in our solar system form? New theories on how planets like Jupiter form put traditional theories to the test.
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  • Ganymede’s Liquid Past
    Long swaths of bright, flat terrain on surface of Jupiter's moon Ganymede may testify that water emerged there about billion years ago.
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  • Jovian Moons
    Jupiter's four largest moons were discovered by Galileo in 1610. Three of them might hold oceans of liquid water beneath their icy exteriors. Liquid water is a prerequisite for life.
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  • Without Jupiter, Home Alone
    The giant planet Jupiter swallows up asteroids and comets, or flings them into space. Without Jupiter, comet and asteroid impacts might have wiped out any life on Earth.
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  • Evidence of ocean on Jupiter’s moon Ganymede
    Data from the Galileo space probe suggest that liquid water may lie beneath Ganymede's icy crust.
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