Chapter Twelve

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Chapter Twelve
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Question for the Day

• What are the properties of Jupiter? What the
  properties of Saturn? How are they different and
  similar?
• Why is Jupiter the largest the planet? How is it
  similar to the sun? How is it different?
• What is the difference in Saturns Rings?

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Jupiter
Buehler Planetarium
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Jupiter from Voyager
http//whyfiles.org/017planet/images/jupiter.jpg
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Jupiters Properties

• Distance 7.783 X 108 km (7.783 A.U.)
• Albedo 0.51
• Size (Diameter) 143,800 km (11.18 DE)
• Mass 1.889 X 1027 kg (317.83 ME)
• Density 1.34 g/cm3 (0.243 ?E)
• Length of Year 11.87 Earth years
• Length of Day 0.417 Earth days
• Number of Satellites 63

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Jupiter Visible versus Radio
http//www.astronomynotes.com/telescop/jupiter-vis
radio.jpg
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Jupiters Magnetosphere
www.windows.ucar.edu/jupiter/images/jupiter_magnet
o_image.html
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Jupiters Aurora
http//lyra.colorado.edu/sbo/hubble/ss/jupiter.aur
ora.jpg
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The Great Red Spot
http//www.jpl.nasa.gov/images/jupiter/jupiter-v1_
640x542.jpg
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Jupiters Rings
JPL-NASA - Galileo
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Saturn
Buehler Observatory
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Saturn from Hubble
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Saturns Properties

• Distance 1.4 X 109 km (9.5 A.U.)
• Albedo 0.47
• Size (Diameter) 120,536 km (9 DE)
• Mass 5.68 X 1026 kg (95.2 ME)
• Density 0.69 g/cm3 (0.125 ?E)
• Length of Year 29.5 Earth years
• Length of Day 0.446 Earth days
• Number of Satellites 31

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Saturn from Voyager
http//my.voyager.net/stargazer/Images/saturn.jpg
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Saturns Aurora
http//lyra.colorado.edu/sbo/hubble/ss/saturn.auro
ra.jpg
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Saturns Atmosphere
http//skydiary.com/stars/saturn.jpg
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Saturns Rings
http//www.wonderquest.com/2002-10-04-saturn-rings
.jpg
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Saturns Ring Density Changes
http//voyager.jpl.nasa.gov/image/images/saturn/8b
g.jpg
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Saturn Ring Map
http//science.nasa.gov/headlines/y2002/images/rin
gs/ringnames_big.gif
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A model of Saturns Rings
http//ircamera.as.arizona.edu/NatSci102/images/sa
trings.gif
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Homework 12

• What the similarities and differences between
  Jupiter and Saturn? Explain why each occur.
• Why do both Jupiter and Saturn have hydrogen in
  their atmosphere while Venus and Earth do not?
  Show your answer quantitatively.
• Page 287 CQ 2, 5, 7, 13, 17