Physics 202: Introduction to Astronomy Lecture 12

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Physics 202 Introduction to Astronomy Lecture
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• Carsten Denker
• Physics Department
• Center for SolarTerrestrial Research

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A Closer Look at Saturn

• Cassini-Huygens Juli 2004
• Orbiter
• Huygens probe will land on Titan
• 4 gravity assist maneuvers
• 7-year voyage
• 4-year mission
• 70 orbits
• Magnetosphere, composition, and atmosphere

• Rings
• Ice
• Rocks
• 31 moons
• Titan
• Low density (lighter than water)
• Fast rotation
• Dense atmosphere
• Pastel-colored clouds
• Strong zonal flows
• Rocky core surrounded by metallic hydrogen

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Cassini-Huygens Sapcecraft
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Gravity Assist Maneuvers
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Cassinis Saturn Orbit
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Saturns Moons
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C-Ring and Cassini Division
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Saturns Atmosphere
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Ring Temperatures

• False-color image
• Composite infrared spectrometer
• Red 110 Kelvin
• Green 90 Kelvin
• Blue 70 Kelvin

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Radiation Belt
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Titans Surface
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Titans Atmosphere