Journal Highlights on History of Mars, Dione's Atmosphere & Saturn's Aurora

• New observations from the Compact Reconnaissance Imaging Spectrometer
  for Mars (CRISM) show the presence of multiple magmatic intrusions in
  the Valles Marineris canyon on Mars
• A new study indicates that one of Saturn’s moons, Dione, probably has
  a tenuous atmosphere.
• New observations of Saturn’s southern auroral oval made simultaneously
  in ultraviolet (UV) and infrared (IR) wavelengths show how complex and
  dynamic the auroral oval is.

Full Story: http://www.agu.org/news/press/jhighlight_archives/2011/2011-08-31.shtml

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