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Ever since Galileo Galilei adapted a Dutch invention for astronomical use, astronomical telescope making has been an evolving discipline. Many astronomers after the time of Galileo built their own telescopes out of necessity, but the advent of amateurs in the field building telescopes for their own enjoyment and education seems to have come into prominence in the 20th century.
Telecompressor or focal reducer: Optical element to decrease the telescope's focal length and magnification (usually by a fixed percentage) and widen the field of view, providing opposite effects of a Barlow lens. Star Diagonal: Used to change the angle of the light coming out of a telescope, for easier viewing.
Plans for a Hubble successor materialized as the Next Generation Space Telescope project, which culminated in plans for the James Webb Space Telescope (JWST), the formal successor of Hubble. [273] Very different from a scaled-up Hubble, it is designed to operate colder and farther away from the Earth at the L2 Lagrangian point , where thermal ...
Jul. 9—OXFORD — Pictures from the far reaches of the universe will be brought into focus for public viewing for the first time on Tuesday. Images captured by the James Webb Space Telescope ...
James Webb Space Telescope pics The Whirlpool Galaxy lies about 27 million light-years away and contains hundreds of billions of stars. The stars are spread out into a pinwheel shape clustered ...
Project Galileo started in December 2000, as a result of a telescope being donated to a Bristol school, with the overall aim of making the system available for other schools in the area to use. The system became operational in July 2005, and achieved full on-line capability by the autumn of 2008, running until the main project co-ordinator left ...
In 2013, the Adler Planetarium undertook the first major renovation of the Doane Observatory. Completed in 2015, renovations included the addition of an indoor classroom, a restroom, accessible entry ramps, and telescope and technology upgrades. [18] The Adler Planetarium is a member institution of the Large Synoptic Survey Telescope project. [29]
The Buhl Planetarium was the first building of its type to have a special sound system for the hearing-impaired in its operating theater. [10] The planetarium also housed a thirty-five foot long Foucault pendulum [11] and a ten-inch, Siderostat-type, refractor telescope (now the second largest of its type). [12]