Moons of the Giant Planets

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Moons of the Giant Planets

• Reading is actually in the earlier chapters of
  the text 2,3,4 that we have already done

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The Galilean Moons of Jupiter

• Io
• Europa
• Ganymede
• Callisto

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Volcanoes of Io
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Io
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Europa
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Europa
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Ganymede
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Ganymede
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Callisto

• No sign of volcanic or tectonic activity
• But magnetic field measurements say that a salty
  ocean beneath the icy surface cannot be ruled out

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Callisto
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Moons of Saturn
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Titan
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Cassinis view of Titan in the IR
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Mosaics from Cassini flyby
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Cassini radar mapping of Titan
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From 8km up
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Mosaic of descent images
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Enceladus has an atmosphere
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Uranuss Moon Miranda

• Not one of the largest moons, but shows an
  apparently fresh surface

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Neptunes Moon Triton

• Triton is larger than Pluto and has a peculiar
  orbit
• It orbits in a retrograde direction, in a plane
  highly inclined to that of Neptunes equator

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Triton seas of ice or slush?