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This Month in NASA History

This Month in NASA History: On September 1, 1979, Pioneer 11 flew to within 13,000 miles of Saturn and took the first close-up pictures of the planet and its moon, Titan. Launched on April 5, 1973, Pioneer 11 also obtained dramatic images of the immense polar regions of Jupiter, and determined the mass of Jupiter’s moon, Callisto.

Learn more about these events at www.techbriefs.com/upfront/nasa50.