ASTR 151 1st Edition Lecture 26 Outline of Last Lecture I Chapter Sections Review II Chapter 12 Saturn III Chapter 12 Section 1 Physical Properties IV Chapter 12 Section 2 Saturn s Atmosphere V Chapter 12 Section 3 Saturn s Magnetosphere Interior VI Chapter 12 Section 4 Ring System Outline of Current Lecture VII Explorations VIII Chapter 12 Section 2 Atmosphere IX Chapter 12 Section 3 Magnetosphere Interior Current Lecture I Explorations a Pioneer 1979 i Was a fly by b Voyager i Took images of Saturn s moons ii Found smaller moons c Cassini Huygens i US 16 European countries ii Saturn s Orbital Insertion 2004 1 Didn t reach Saturn until 7 years after launch II Chapter 12 Section 2 Atmosphere a Helium 3 and Hydrogen 96 b Winds are stronger and faster than Jupiter These notes represent a detailed interpretation of the professor s lecture GradeBuddy is best used as a supplement to your own notes not as a substitute i Zonal flow c Saturn Rarely has spots like Jupiter i They appear white ii Storms last a few months d Has a hexagon feature on the North Pole i Each side is longer than Earth s diameter ii May be a result of atmospheric wind speed e Has zones and band structure i Color is more subdued than Jupiter ii Darker rings sink lighter rings rise f 3 layers of clouds i Thicker than Jupiter s cloud cover 1 Ammonia ice 2 Hydro sulfate ice 3 Water ice III Chapter 12 Section 3 Magnetosphere Interior a Radiates twice as much energy than the Sun i Gravitational compression ii Helium and hydrogen condenses to droplets of rain iii Has magnetosphere 1 5 as strong as Jupiter iv Has dipole 1 Creates aurorae b Plasma from moons
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