1 Jupiter: Consummate JovianPresented by Professor Harold Geller Department of Physics and Astronomy George Mason University

2 What I’m Going to Talk AboutJupiter as a jovian planet mass diameter distance from sun chemical constituents formation atmosphere inner layers rings moons

3 Jupiter Statistics Distance from sun778.4 million km (5.2 AU) Orbital eccentricity and inclination 0.048 eccentricity 1.31 degrees inclination Orbital speed and period 13.1 km/s 11.86 years sidereal period Mass 1.99 x 1027 kg (317.8 x Earth) Equatorial Diameter 143,000 km (11.2 x Earth)

4 More Jupiter StatisticsMean density 1.33 g/cm3 (0.24 x Earth) Surface gravity 24.8 m/s2 (2.53 x Earth) Escape velocity 59.5 km/s Axial tilt 3.08 degrees Temperature at cloud top 124 K Number of Moons What’s a moon anyway

5 Where Are We?

6 Jovians and TerrestrialsRelative size of all planets (distances NOT to scale)

7 [Source: James Schombert, University of Oregon]

8 Top-Level Look and See [Source: James Schombert, University of Oregon]

9 NOT a Perfect Sphere [Source: James Schombert, University of Oregon]

10 [Source: James Schombert, University of Oregon]

11 Atmospheric Appearance Fluid Mechanics viscous flow turbulent flow eddies cyclones [Source: James Schombert, University of Oregon]

12 Jupiter’s Interior [Source: James Schombert, University of Oregon]

13 Jupiter’s Magnetic Field[Source: James Schombert, University of Oregon]

14 Synchrotron Radiation[Source: James Schombert, University of Oregon]

15 Jupiter’s Aurora [Source: Clarke (Michigan) and NASA STScI]