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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.
KStars is a free and open-source planetarium program built using the KDE Frameworks. It is available for Linux, BSD, macOS, and Microsoft Windows. A light version of KStars is available for Android devices. It provides an accurate graphical representation of the night sky, from any location on Earth, at any date and time.
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.
A good example of a "typical" planetarium projector of the 1960s was the Universal Projection Planetarium type 23/6, made by VEB Carl Zeiss Jena in what was then East Germany. [1] This model of Zeiss projector was a 13-foot (4.0 m)-long dumbbell-shaped object, with 29-inch (740 mm)-diameter spheres attached at each end representing the night ...
in 1936, Fels established the Samuel S. Fels Fund, which provides support to Philadelphia-area non-profit organizations. In 1937, his southside Philadelphia mansion was 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.
The ceiling is decorated with over 2,500 stars and illustrates a North American winter night sky around December 1 - February 28. [24] The constellation arrangement was a replicant of the 1603 star atlas that was created by Johann Bayer. However, the mural is not a fully accurate representation of the night sky as it was painted back to front. [24]