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72 relations: Active optics, Adaptive optics, Aluminium, Andrew Carnegie, Borosilicate glass, BTA-6, C. Donald Shane telescope, California, California Institute of Technology, Carnegie Institution for Science, Cassegrain reflector, Collier's, Compression (physics), Cornell University, Corning Inc., Diffraction-limited system, Edwin Hubble, Equatorial mount, Evaporation (deposition), F-number, First light (astronomy), First Light (Preston book), George Ellery Hale, George Willis Ritchey, Glass, Honeycomb mirror, HR 8799, Jet Propulsion Laboratory, John D. Rockefeller, Jupiter, Lawrence Berkeley National Laboratory, List of largest optical reflecting telescopes, List of largest optical telescopes historically, List of largest optical telescopes in the 20th century, Los Angeles, Lucky imaging, Massachusetts Institute of Technology, McDonald Observatory, Methods of detecting exoplanets, Mirror support cell, Mount Wilson Observatory, Nanometre, NASA, NGC 2261, Otto Struve, Otto Struve Telescope, Pacific Time Zone, Palomar Mountain, Palomar Observatory, Polaris, ..., Primary mirror, Pyrex, Reflecting telescope, Ritchey–Chrétien telescope, Rockefeller Foundation, San Diego County, California, Segmented mirror, Serrurier truss, Space.com, Structural element, Telescope, Tension (physics), The Boston Globe, The New York Times, Theodore von Kármán, Thermal expansion, Universe, University of California, Vortex coronagraph, W. M. Keck Observatory, Waffle iron, World War II. Expand index (22 more) »
Active optics
Active optics is a technology used with reflecting telescopes developed in the 1980s, which actively shapes a telescope's mirrors to prevent deformation due to external influences such as wind, temperature, mechanical stress.
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Adaptive optics
Adaptive optics (AO) is a technology used to improve the performance of optical systems by reducing the effect of incoming wavefront distortions by deforming a mirror in order to compensate for the distortion.
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Aluminium
Aluminium or aluminum is a chemical element with symbol Al and atomic number 13.
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Andrew Carnegie
Andrew Carnegie (but commonly or;MacKay, p. 29. November 25, 1835August 11, 1919) was a Scottish-American industrialist, business magnate, and philanthropist.
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Borosilicate glass
Borosilicate glass is a type of glass with silica and boron trioxide as the main glass-forming constituents.
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BTA-6
The BTA-6 (translation) is a aperture optical telescope at the Special Astrophysical Observatory located in the Zelenchuksky District on the north side of the Caucasus Mountains in southern Russia.
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C. Donald Shane telescope
The C. Donald Shane telescope is a 120-inch (3.0-meter) reflecting telescope located at the Lick Observatory in San Jose, California.
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California
California is a state in the Pacific Region of the United States.
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California Institute of Technology
The California Institute of Technology (abbreviated Caltech)The university itself only spells its short form as "Caltech"; other spellings such as.
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Carnegie Institution for Science
The Carnegie Institution of Washington (the organization's legal name), known also for public purposes as the Carnegie Institution for Science (CIS), is an organization in the United States established to fund and perform scientific research.
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Cassegrain reflector
The Cassegrain reflector is a combination of a primary concave mirror and a secondary convex mirror, often used in optical telescopes and radio antennas.
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Collier's
Collier's was an American magazine, founded in 1888 by Peter Fenelon Collier.
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Compression (physics)
In mechanics, compression is the application of balanced inward ("pushing") forces to different points on a material or structure, that is, forces with no net sum or torque directed so as to reduce its size in one or more directions.
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Cornell University
Cornell University is a private and statutory Ivy League research university located in Ithaca, New York.
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Corning Inc.
Corning Incorporated is an American multinational technology company that specializes in specialty glass, ceramics, and related materials and technologies including advanced optics, primarily for industrial and scientific applications.
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Diffraction-limited system
The resolution of an optical imaging system a microscope, telescope, or camera can be limited by factors such as imperfections in the lenses or misalignment.
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Edwin Hubble
Edwin Powell Hubble (November 20, 1889 – September 28, 1953) was an American astronomer.
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Equatorial mount
An equatorial mount is a mount for instruments that compensates for Earth's rotation by having one rotational axis parallel to the Earth's axis of rotation.
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Evaporation (deposition)
Evaporation is a common method of thin-film deposition.
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F-number
The f-number of an optical system (such as a camera lens) is the ratio of the system's focal length to the diameter of the entrance pupil.
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First light (astronomy)
In astronomy, first light is the first use of a telescope (or, in general, a new instrument) to take an astronomical image after it has been constructed.
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First Light (Preston book)
First Light: The Search for the Edge of the Universe is a 1987 non-fiction book on astronomy and astronomers by Richard Preston.
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George Ellery Hale
George Ellery Hale (June 29, 1868 – February 21, 1938) was an American solar astronomer, best known for his discovery of magnetic fields in sunspots, and as the leader or key figure in the planning or construction of several world-leading telescopes; namely, the 40-inch refracting telescope at Yerkes Observatory, 60-inch Hale reflecting telescope at Mount Wilson Observatory, 100-inch Hooker reflecting telescope at Mount Wilson, and the 200-inch Hale reflecting telescope at Palomar Observatory.
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George Willis Ritchey
George Willis Ritchey (December 31, 1864 – November 4, 1945) was an American optician and telescope maker and astronomer born at Tuppers Plains, Ohio.
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Glass
Glass is a non-crystalline amorphous solid that is often transparent and has widespread practical, technological, and decorative usage in, for example, window panes, tableware, and optoelectronics.
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Honeycomb mirror
A honeycomb mirror is a large mirror usually used as the primary mirror in astronomical reflecting telescopes whose face is supported by a ribbed structure that resembles a honeycomb.
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HR 8799
HR 8799 is a roughly 30 million-year-old main-sequence star located 129 light years (39 parsecs) away from Earth in the constellation of Pegasus.
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Jet Propulsion Laboratory
The Jet Propulsion Laboratory (JPL) is a federally funded research and development center and NASA field center in Pasadena, California, United States, with large portions of the campus in La Cañada Flintridge, California.
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John D. Rockefeller
John Davison Rockefeller Sr. (July 8, 1839 – May 23, 1937) was an American oil industry business magnate, industrialist, and philanthropist.
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Jupiter
Jupiter is the fifth planet from the Sun and the largest in the Solar System.
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Lawrence Berkeley National Laboratory
Lawrence Berkeley National Laboratory (LBNL), commonly referred to as Berkeley Lab, is a United States national laboratory located in the Berkeley Hills near Berkeley, California that conducts scientific research on behalf of the United States Department of Energy (DOE).
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List of largest optical reflecting telescopes
This list of the largest optical reflecting telescopes with objective diameters of or greater is sorted by aperture, which is one limit on the light-gathering power and resolution of a reflecting telescope's optical assembly.
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List of largest optical telescopes historically
Telescope have grown in size since they first appeared around 1608.
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List of largest optical telescopes in the 20th century
The following is a list of the largest optical telescopes in the 20th century, paying special attention to the diameter of the mirror or lens of the telescope's objective, or aperture.
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Los Angeles
Los Angeles (Spanish for "The Angels";; officially: the City of Los Angeles; colloquially: by its initials L.A.) is the second-most populous city in the United States, after New York City.
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Lucky imaging
Lucky imaging (also called lucky exposures) is one form of speckle imaging used for astronomical photography.
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Massachusetts Institute of Technology
The Massachusetts Institute of Technology (MIT) is a private research university located in Cambridge, Massachusetts, United States.
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McDonald Observatory
The McDonald Observatory is an astronomical observatory located near the unincorporated community of Fort Davis in Jeff Davis County, Texas, United States.
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Methods of detecting exoplanets
Any planet is an extremely faint light source compared to its parent star.
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Mirror support cell
In astronomy, a mirror support cell - more commonly mirror cell - is a component of a reflecting telescope that supports the mirror in place to hold optical alignment, allow collimation adjustment, and protect it from falling out.
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Mount Wilson Observatory
The Mount Wilson Observatory (MWO) is an astronomical observatory in Los Angeles County, California, United States.
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Nanometre
The nanometre (International spelling as used by the International Bureau of Weights and Measures; SI symbol: nm) or nanometer (American spelling) is a unit of length in the metric system, equal to one billionth (short scale) of a metre (m).
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NASA
The National Aeronautics and Space Administration (NASA) is an independent agency of the executive branch of the United States federal government responsible for the civilian space program, as well as aeronautics and aerospace research.
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NGC 2261
NGC 2261 (also known as Hubble's Variable Nebula or Caldwell 46) is a variable nebula located in the constellation Monoceros.
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Otto Struve
Otto Struve (August 12, 1897 – April 6, 1963) was a Russian-American astronomer.
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Otto Struve Telescope
The Otto Struve Telescope was the first major telescope to be built at McDonald Observatory.
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Pacific Time Zone
The Pacific Time Zone (PT) is a time zone encompassing parts of western Canada, the western United States, and western Mexico.
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Palomar Mountain
Palomar Mountain is a mountain ridge in the Peninsular Ranges in northern San Diego County.
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Palomar Observatory
Palomar Observatory is an astronomical observatory located in San Diego County, California, United States, southeast of Los Angeles, California, in the Palomar Mountain Range.
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Polaris
Polaris, designated Alpha Ursae Minoris (Ursae Minoris, abbreviated Alpha UMi, UMi), commonly the North Star or Pole Star, is the brightest star in the constellation of Ursa Minor.
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Primary mirror
A primary mirror (or primary) is the principal light-gathering surface (the objective) of a reflecting telescope.
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Pyrex
Pyrex (trademarked as PYREX) is a brand introduced by Corning Inc. in 1908 for a line of clear, low-thermal-expansion borosilicate glass used for laboratory glassware and kitchenware.
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Reflecting telescope
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.
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Ritchey–Chrétien telescope
A Ritchey–Chrétien telescope (RCT or simply RC) is a specialized variant of the Cassegrain telescope that has a hyperbolic primary mirror and a hyperbolic secondary mirror designed to eliminate off-axis optical errors (coma).
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Rockefeller Foundation
The Rockefeller Foundation is a private foundation based at 420 Fifth Avenue, New York City.
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San Diego County, California
San Diego County is a county in the southwestern corner of the state of California, in the United States.
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Segmented mirror
A segmented mirror is an array of smaller mirrors designed to act as segments of a single large curved mirror.
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Serrurier truss
A Serrurier truss is used in telescope tube assembly construction.
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Space.com
Space.com is a space and astronomy news website.
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Structural element
Structural elements are used in structural analysis to split a complex structure into simple elements.
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Telescope
A telescope is an optical instrument that aids in the observation of remote objects by collecting electromagnetic radiation (such as visible light).
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Tension (physics)
In physics, tension may be described as the pulling force transmitted axially by the means of a string, cable, chain, or similar one-dimensional continuous object, or by each end of a rod, truss member, or similar three-dimensional object; tension might also be described as the action-reaction pair of forces acting at each end of said elements.
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The Boston Globe
The Boston Globe (sometimes abbreviated as The Globe) is an American daily newspaper founded and based in Boston, Massachusetts, since its creation by Charles H. Taylor in 1872.
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The New York Times
The New York Times (sometimes abbreviated as The NYT or The Times) is an American newspaper based in New York City with worldwide influence and readership.
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Theodore von Kármán
Theodore von Kármán ((szőllőskislaki) Kármán Tódor; 11 May 1881 – 6 May 1963) was a Hungarian-American mathematician, aerospace engineer, and physicist who was active primarily in the fields of aeronautics and astronautics.
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Thermal expansion
Thermal expansion is the tendency of matter to change in shape, area, and volume in response to a change in temperature.
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Universe
The Universe is all of space and time and their contents, including planets, stars, galaxies, and all other forms of matter and energy.
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University of California
The University of California (UC) is a public university system in the US state of California.
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Vortex coronagraph
A vortex coronagraph is a type of optical instrument which enables the imaging of very faint objects near very bright objects that would normally be obscured by glare.
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W. M. Keck Observatory
The W. M. Keck Observatory is a two-telescope astronomical observatory at an elevation of 4,145 meters (13,600 ft) near the summit of Mauna Kea in the U.S. state of Hawaii.
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Waffle iron
A waffle iron or waffle maker is a utensil or appliance used to cook waffles.
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World War II
World War II (often abbreviated to WWII or WW2), also known as the Second World War, was a global war that lasted from 1939 to 1945, although conflicts reflecting the ideological clash between what would become the Allied and Axis blocs began earlier.
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Redirects here:
200 inch Hale Telescope, 200 inch telescope, 200-inch Hale Telescope, 200-inch Hale telescope, Hale reflector, Hale telescope.
References
[1] https://en.wikipedia.org/wiki/Hale_Telescope
