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Jupiter and Saturn

Jupiter and Saturn. Semimajor axes of orbits: 5.2 au (Jupiter) and 9.5 au (Saturn). Question? (we saw this last night!). Jupiter is almost always larger in angular size than Venus and Mars Right now, Venus and Mars have angular diameters of about 10 arcseconds, Jupiter is 33 arcseconds

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Jupiter and Saturn

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  1. Jupiter and Saturn

  2. Semimajor axes of orbits: 5.2 au (Jupiter) and 9.5 au (Saturn)

  3. Question? (we saw this last night!) • Jupiter is almost always larger in angular size than Venus and Mars • Right now, Venus and Mars have angular diameters of about 10 arcseconds, Jupiter is 33 arcseconds • Saturn is about 19 • What does it mean?

  4. Basic properties of Jupiter and Saturn • Jupiter: 11.2 X diameter of Earth and 318 X mass • Saturn: 9.5 X diameter of Earth and 95 X the mass • Jupiter and Saturn: the “giant planets” • Question: how do we know the masses of Jupiter and Saturn?

  5. A visual comparison of Earth, Jupiter, and Saturn Jupiter and Saturn are rapid rotators: 9.9 and 10.7 hours

  6. The cloud bands of Jupiter

  7. The atmospheric structure of Jupiter

  8. Exploration of Jupiter

  9. The Galileo spacecraft mission • Launch: October 1989 • Arrival at Jupiter: December 1995 • End of mission (dive into Jupiter): September 2003

  10. The Galileo Probe

  11. The Galileo Probe The Galileo Probe What the Probe saw

  12. The interior structure of Jupiter (and Saturn)

  13. Magnetospheres 1: the Earth and the Van Allen Belts

  14. Magnetospheres 2: the magnetosphere of Jupiter

  15. University of Iowa connection…plasma waves and radio waves with the Voyager spacecraft

  16. Sounds from the Voyager encounter with the Jovian bow shock University of Iowa space plasma waves

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