NASA Photo ID: S90-55753           File Name: 10063794.jpg
  Film Type: 4x5                     Date Taken: 12/31/90
  Title: Moon taken by Galileo after completing its first Earth Gravity Assist
  Description:
  Color image of the Moon was taken by Galileo spacecraft at 9:35 am Pacific 
  Standard Time (PST), 12-09-90, at a range of about 350,000 miles.  The
  color  composite uses monochrome images taken through violet, red, and
  near-infrared  filters.  The concentric, circular Orientale basin, 600
  miles across, is near  the center; the near side is to the right, the far
  side to the left.  At the  upper right is the large, dark Oceanus
  Procellarum; below it is the smaller  Mare Humorum.  These, like the small
  dark Mare Orientale in the center of the  basin, formed over 3 billion
  years ago as basaltic lava flows.  At the lower  left, among the southern
  cratered highlands of the far side, is the  South-Pole-Aitken basin,
  similar to Orientale but twice as great in diameter  and much older and
  more degraded by cratering and weathering.  The cratered  highlands of the
  near and far sides and the Maria are covered with scattered  bright, young
  ray craters.  Photo provided by the Jet Propulsion Laboratory  (JPL) with
  alternate number P-37329, 12-19-90.        
  
  Subject terms:
  FLYBY MISSIONS                          
  GALILEO SPACECRAFT                      
  MOON                                    
  

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