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Planetaria in the United States

  • National Air and Space MuseumOn the 12th of August 1946, President Harry S. Truman signed an act of Congress establishing the National Air Museum. This new institution inherited a…
  • Griffith ObservatoryOn the 16th of December 1896, a man named Griffith J. Griffith donated land surrounding what is now Mount Hollywood to the City of Los Angeles.