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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 ...
in 1936, Fels established the Samuel S. Fels Fund, which provides support to Philadelphia-area non-profit organizations. In 1937, his southside Philadelphia mansion ws given to the University of Pennsylvania, for the foundation of the Fels Institute of Government. [3] Fels is known for commissioning Samuel Barber's Violin Concerto Op. 14 in 1939.
Derrick Pitts (born January 22, 1955) is an American astronomer and science communicator.Pitts studied at St. Lawrence University and has been employed at the Franklin Institute since 1978 where he is chief astronomer and director of the institute's Fels Planetarium.
Fully reconstructed in 2002, the Planetarium's new design includes replacement of the original 40,000-pound stainless steel dome, originally built in 1933. The new premium dome is lighter and is 60 feet (18 m) in diameter. It is the first of its kind in the United States. The planetarium is also outfitted for visitors who are hearing impaired.
Spitz became a volunteer at the new Fels Planetarium in Philadelphia, doing publicity, but soon was allowed to do planetarium lectures. He also created a series of radio programs in which he covered scientific topics, with an emphasis on astronomy. His first book, The Pinpoint Planetarium, appeared in 1940. The first half of the book described ...
The Kovac Planetarium. It is 22 feet in diameter and weighs two tons. The globe is made of wood and is driven with a variable speed motor controller. This is the largest mechanical planetarium in the world, larger than the Atwood Globe in Chicago (15 feet in diameter) and one third the size of the Hayden.
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The Planetarium at the New Mexico Museum of Natural History & Science, Albuquerque Early College Academy, Hefferan Planetarium, Albuquerque Robert H. Goddard Planetarium , Roswell