Space Spotlight: Mars, Mimas & the Maxwell Gap

• Story Highlights
• Each week CNN.com showcases some of our favorite new space-related photos
  
• One shows Endeavour docked with the space station against a backdrop of Earth
  
• Scientists test a fire-belching, launch-abort motor on NASA spacecraft Orion
  
• The heavily cratered Mimas, one of Saturn's moons, looks like an enormous golf ball
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