Jupiter

Jupiter
The biggest planet in the Solar System

Jupiter

  • Jupiter is twice as heavy as all the other planets put together!
  • Jupiter has no surface for spacecraft to land because it is made mostly of hydrogen and helium gas.
  • the massive pull of Jupiter’s gravity squeezes the hydrogen gas so hard to become a liquid.
  • towards Jupiter’s core – extremely pressure makes the liquid hydrogen gas behave like a metal.
  • spins around in less than 10 hours, which means that the surface is moving at nearly 31,000 mph.
  • Jupiter’s magnetic field; 10 times stronger than the Earth’s magnetic field!

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Great Red Spot

  • Jupiter has a Great Red Spot (GRS) – huge swril of red clouds; measuring more than 25,000 miles.
  • Robert Hooke first noticed the Great Red Spot in 1644.  (wikipedia;  Robert Hooke)

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Mission to Jupiter for Exploration  (According to NASA)

  • Past
    Launched:  2nd March 1972  – Pioneer 10
    Launched:  5th April 1972  –  Pioneer 11
    Launched:  20th August 1997  –  Voyager 2
    Launched:  5th September 1977  –  Voyager 1
    Launched:  18th October 1989  –  Galileo
    Launched:  6th October 1990  –  Ulysses
    Launched:  15th October 1997  –  Cassini
    Launched:  19th January 2006 –  New Horizons
  • Present
    Launched:  5th August 2011  –  Juno  (Still flight to arrive Jupiter in July 2016.)

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Did you know?

  • Jupiter is so big that pressure at its core makes it very hot – the planet gives out heat, but not enough to make it glow, if it were 100 times bigger, nuclear reactions would happen at Jupiter’s core to turn it into a star.

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Back to The Solar System page  /  Next page to  Jupiter’s Galilean moons’ page.

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