Telescope Hill, at 334 feet (102 m), is the highest point of elevation in the Town of Brookhaven, on Long Island, New York, United States. The hill is...

The James Webb Space Telescope (JWST) is a space telescope designed to conduct infrared astronomy. As the largest telescope in space, it is equipped with...

A telescope is a device used to observe distant objects by their emission, absorption, or reflection of electromagnetic radiation. Originally, it was...

The Newtonian telescope, also called the Newtonian reflector or just a Newtonian, is a type of reflecting telescope invented by the English scientist...

honor actually belongs to Jayne's Hill in the Town of Huntington at 401 feet (122 m). Also, nearby Telescope Hill, about 0.8 miles (1.3 km) WSW, is slightly...

aperture) McGraw–Hill Telescope (since 1975), which was originally located near Ann Arbor, Michigan. The mirror of the 2.4-meter Hiltner Telescope is aluminum-coated...

is home to the David Dunlap Observatory telescope, the largest telescope in Canada. The village of Richmond Hill was incorporated by a bylaw of the York...

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...

The Hubble Space Telescope (often referred to as HST or Hubble) is a space telescope that was launched into low Earth orbit in 1990 and remains in operation...

The history of the telescope can be traced to before the invention of the earliest known telescope, which appeared in 1608 in the Netherlands, when a...

A refracting telescope (also called a refractor) is a type of optical telescope that uses a lens as its objective to form an image (also referred to a...

observatory operates several telescopes at three locations in the Flagstaff area. The main facility, located on Mars Hill just west of downtown Flagstaff...

Airborne Telescopes", "The Large Binocular Telescope", John M. Hill, Richard F. Green and James H. Slagle "Upgraded Hobby–Eberly Telescope Sees First...

The Lovell Telescope (/ˈlʌvəl/ LUV-əl) is a radio telescope at Jodrell Bank Observatory, near Goostrey, Cheshire, in the north-west of England. When construction...

Telescope Hill on the south side of Selden was the location of a fire lookout tower. During World War II, a German U-boat spotted from Telescope Hill...

south of the Haystack dome and east of the Westford dome. The Amateur Telescope Makers of Boston has its clubhouse on the MIT property. Haystack Vallis...

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...

Island 0.55 km2 (140 acres) Cactus Hill (private island) Petit Saint Vincent 0.46 km2 (110 acres) Telescope Hill (private island) Tobago Cays 0.25 km2...

The Effelsberg 100-m Radio Telescope is a radio telescope in the Ahr Hills (part of the Eifel) in Bad Münstereifel, Germany. Inaugurated in 1972, for...

The Newall Telescope is a 62.5 centimetres (24.6 in) refractor in the Penteli Observatory in Penteli, Greece. It was built in 1869 by Thomas Cooke for...

The Mills Cross Telescope was a two-dimensional radio telescope built by Bernard Mills in 1954 at the Fleurs field station of the Australian Commonwealth...

contains two historically important telescopes: the 100-inch (2.5 m) Hooker telescope, which was the largest aperture telescope in the world from its completion...

The Arecibo Telescope was a 305 m (1,000 ft) spherical reflector radio telescope built into a natural sinkhole at the Arecibo Observatory located near...

REACT telescope was the first gamma-ray telescope built at Fenton Hill. It received funding in July 1996 and was completed in 1998. Fenton Hill Observatory...

McGraw-Hill McGraw-Hill Telescope at MDM Observatory, American astronomical observatory 4432 McGraw-Hill, an asteroid named in honor of the telescope McGraw-Hill...

Research Telescope, which is situated on Cerro Pachón. Other telescopes on Cerro Tololo include the 1.5 m, 1.3 m, 1.0 m, and 0.9 m telescopes operated...

North Carolina at Chapel Hill. Partners have guaranteed shares varying from 10 to 30 percent of the observing time. The telescope uses active optics on its...

reflecting telescope built by Sir Isaac Newton in 1668 is a landmark in the history of telescopes, being the first known successful reflecting telescope. It...

lists the significant events in the invention and development of the telescope. c.2560 BC–c.860 BC — Egyptian artisans polish rock crystal, semi-precious...

88 m) reflector telescope, at one time the second-largest telescope in the world, and still the largest in Canada. Several other telescopes are also located...