Chapter 11 The Giant Planets.pptx - The Giant Planets...

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The Giant PlanetsOpenstax AstronomyChapter 11
Learning ObjectivesProvide an overview of the composition of the giant planetsProvideChronicle robotic exploration of the giant planetsChronicleSummarize the missions sent to orbit the gas giantsSummarize
Abundances in the Outer SolarSystemType of MaterialNameApproximate % (by Mass)GasHydrogen (H2)75GasHelium (He)24IceWater (H2O)0.6IceMethane (CH4)0.4IceAmmonia (NH3)0.1RockMagnesium (Mg),iron (Fe), silicon (Si)0.3Percentage adds to 100.4% because of round off error
CompositionMost of the mass of the solarsystem not contained in the sunresides in the giant planets2 types of giant planetsGas giants (Jupiter, Saturn)Ice giants (Uranus, Neptune)Gas giants composed of mostlyhydrogen and heliumIce giants larger concentrations ofmethane, ammonia, etc.es/gas-giant-interiors
JupiterJupiter.The Cassini spacecraft imagedJupiter on its way to Saturn in 2012. Thegiant storm system called the Great RedSpot is visible to the lower right. The darkspot to the lower left is the shadow ofJupiter’s moon Europa. (credit:modification of work by NASA/JPL)
Satellites and Probe history ofJupiterPioneer 10December 1973FlybyPioneer 11December 1974FlybyVoyager 1March1979FlybyVoyager 2July1979FlybyUlyssesFebruary 1992Flybyduring gravity assistGalileoDecember 1995Orbiterand probeCassiniDecember 2002FlybyNew HorizonsFebruary 2007Flybyduring gravity assistJunoJuly2016Orbiter
Galileo Probe Falling into Jupiter.This artist’sdepiction shows the Galileo probe descending

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