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  2. Timeline of planetariums - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_planetariums

    Frank & John Korkosz begin work on the first optical projection planetarium built in the United States [2] The Fels Planetarium opens January 1, 1934 at Philadelphia's Franklin Institute Science Museum, using a Zeiss Mark II projector. 1935: The planetarium at Griffith Observatory opened on May 14 and the Hayden Planetarium on October 2. During ...

  3. Walther Bauersfeld - Wikipedia

    en.wikipedia.org/wiki/Walther_Bauersfeld

    The Zeiss I planetarium in Jena is also considered the first geodesic dome derived from the icosahedron, 26 years before Buckminster Fuller reinvented and popularized this design. Bauersfeld was awarded the Franklin Institute's Elliott Cresson Medal in 1933 and the Werner von Siemens Ring in 1941. Post-war, the Zeiss firm, like Germany, divided ...

  4. Lists of United States network television schedules - Wikipedia

    en.wikipedia.org/wiki/Lists_of_United_States...

    Public broadcasting in the U.S. has often been more decentralized, and less likely to have a single network feed appear across most of the country (though some latter-day public networks such as World Channel and Create have had more in-pattern clearance than National Educational Television or its successor PBS have had). Also, local stations ...

  5. List of programs broadcast by the History Channel - Wikipedia

    en.wikipedia.org/wiki/List_of_programs_broadcast...

    The Haunted History of Halloween; Heavy Metal; Heroes Under Fire; Hidden Cities; Hidden House History; High Hitler; High Points in History; Hillbilly: The Real Story; History Alive; History Films; History in Color; History Now; History of Angels [19] A History of Britain; A History of God [20] History of the Joke; The History of Sex; History ...

  6. Roger B. Chaffee Planetarium - Wikipedia

    en.wikipedia.org/wiki/Roger_B._Chaffee_Planetarium

    The Chaffee remains a member of the Great Lakes Planetarium Association, and as of 1995 began hosting conferences on the decennial anniversaries. David L. DeBruyn officially retired after forty years of curatorship in 2003, and still serves in an advisory capacity as a volunteer. In 2014 the planetarium received a 1.2 million dollar upgrade. [1

  7. History Channel - Wikipedia

    en.wikipedia.org/wiki/History_Channel

    The History Channel's original logo used from January 1, 1995, to February 15, 2008, with the slogan "Where the past comes alive." In the station's early years, the red background was not there, and later it sometimes appeared blue (in documentaries), light green (in biographies), purple (in sitcoms), yellow (in reality shows), or orange (in short form content) instead of red.

  8. Planetarium - Wikipedia

    en.wikipedia.org/wiki/Planetarium

    The first official public showing was at the Deutsches Museum in Munich on October 21, 1923. [12] [13] Zeiss Planetarium became popular, and attracted a lot of attention. Next Zeiss planetariums were opened in Rome (1928, in Aula Ottagona, part of the Baths of Diocletian), Chicago (1930), Osaka (1937, in the Osaka City Electricity Science ...

  9. List of planetariums - Wikipedia

    en.wikipedia.org/wiki/List_of_planetariums

    The Hayden Planetarium at the American Museum of Natural History in New York City is the most visited planetarium in the world. [ 1 ] This entry is a list of permanent planetariums across the world.