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Pages in category "Reflecting telescopes" The following 50 pages are in this category, out of 50 total. ... Galileo National Telescope; Giant Magellan Telescope;
National Geographic Image Collection, a division of the National Geographic Partners, a joint venture between the National Geographic Society and The Walt Disney Company, headquartered in Washington, D.C., United States, was a stock photography agency that managed and licensed one of the world's most comprehensive and unique collections of photographs and original artwork.
A reflecting telescope (also called a reflector) is a telescope that uses a single or a combination of curved mirrors that reflect light and form an image. The reflecting telescope was invented in the 17th century by Isaac Newton as an alternative to the refracting telescope which, at that time, was a design that suffered from severe chromatic ...
The smaller dome on the main building at Lick had originally held the secondhand 12-inch Clark refracting telescope, the first telescope to be used at Lick. In 1979 it was replaced with the Anna L. Nickel telescope, a 1-meter reflecting telescope. The telescope is named for Anna L. Nickel, a San Francisco native who donated $50,000, a large ...
The company became briefly famous in 1973 when Comet Kohoutek approached Earth and the company sold out of telescopes, a fact that made national news. [2] Neil deGrasse Tyson would later comment that "The Edmund Scientific catalog was a geek's paradise. At a time when no one had access to lasers, they had them for sale." [2]
An Astroscan wide-field Newtonian reflector. The Astroscan was a wide-field 4 + 1 ⁄ 8 in (10 cm) clear-inch diameter reflecting telescope , originally produced by the Edmund Scientific Corporation , that was for sale from 1976 to 2013.
Schiefspiegler telescope arrangement in which tilt effects compensate for the lateral decenter. The Schiefspiegler (lit.oblique reflector in German), also called tilted-component telescopes (TCT) and off-axis reflecting telescopes, are a type of reflecting telescope featuring an off-axis secondary mirror, and therefore an obstruction-free light path.
Ritchey 24" reflecting Telescope. George Willis Ritchey (December 31, 1864 – November 4, 1945) was an American optician and telescope maker and astronomer born at Tuppers Plains, Ohio. [1] [2] Ritchey was educated as a furniture maker. He coinvented the Ritchey–Chrétien (R–C) reflecting telescope along with Henri Chrétien. The R-C ...