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Next Giant Leap

NASA programs at a glance

  • Story Highlights
  • Compare three NASA programs: Apollo, Space Shuttle and Constellation
  • All three programs got a jump-start from the president
  • NASA's newest program aims to go back to the moon and on to Mars
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From the Blogs: Controversy, commentary, and debate

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Anti-Assad clerics shot in LebanonCNNArabic.com
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