to telescope over tube

См. также в других словарях:

• telescope — /tel euh skohp /, n., adj., v., telescoped, telescoping. n. 1. an optical instrument for making distant objects appear larger and therefore nearer. One of the two principal forms (refracting telescope) consists essentially of an objective lens… …   Universalium

• telescope — tel|e|scope1 [ˈtelıskəup US skoup] n [Date: 1600 1700; : Modern Latin; Origin: telescopium, from Greek teleskopos seeing a long way , from tele ( TELE ) + skopos watcher ] a piece of equipment shaped like a tube, used for making distant objects… …   Dictionary of contemporary English

• Dobsonian telescope — A Dobsonian telescope on display at Stellafane in the early 1980s A Dobsonian telescope is an alt azimuth mounted newtonian telescope design popularized by the amateur astronomer John Dobson starting in the 1960s. Dobson s telescopes featured a… …   Wikipedia

• History of the telescope — The earliest known working telescopes appeared in 1608 and are credited to Hans Lippershey and Zacharias Janssen, spectacle makers in Middelburg, and Jacob Metius of Alkmaar. The design of these early refracting telescopes consisted of a convex… …   Wikipedia

• Newtonian telescope — The Newtonian telescope is a type of reflecting telescope invented by the British scientist Sir Isaac Newton (1642–1727), using a concave primary mirror and a flat diagonal secondary mirror. Newton’s first reflecting telescope was completed in… …   Wikipedia

• Reflecting telescope — 24 inch convertible Newtonian/Cassegrain reflecting telescope on display at the Franklin Institute. A reflecting telescope (also called a reflector) is an optical telescope which uses a single or combination of curved mirrors that reflect light… …   Wikipedia

• Optical telescope — Eight Inch refracting telescope (Chabot Space and Science Center) An optical telescope is a telescope which is used to gather and focus light mainly from the visible part of the electromagnetic spectrum for directly viewing a magnified image for… …   Wikipedia

• Great Paris Exhibition Telescope of 1900 — The Great Paris Exhibition Telescope of 1900, with an objective lens of 1.25 m (49.2 inches) in diameter, was the largest refracting telescope ever constructed. It was built as the centerpiece of the Paris Universal Exhibition of 1900. Its… …   Wikipedia

• Very Large Telescope — VLT redirects here. For other uses, see VLT (disambiguation). Very Large Telescope The four Unit Telescopes that form the VLT together with th …   Wikipedia

• Lovell Telescope — Infobox Telescope name = Lovell Telescope caption = The 76 m Lovell Telescope organization = Jodrell Bank Observatory location = Cheshire, UK coords = coord|53|14|13.2|N|2|18|25.74|W|display=inline,title altitude = wavelength = Up to 5 GHz… …   Wikipedia

• Maksutov telescope — A 150mm aperture Maksutov Cassegrain telescope. The Maksutov is a catadioptric telescope design that combines a spherical mirror with a weakly negative meniscus lens in a design that takes advantage of all the surfaces being nearly spherically… …   Wikipedia