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Noun

optical telescope - an astronomical telescope designed to collect and record light from cosmic sources

astronomical telescope - any telescope designed to collect and record electromagnetic radiation from cosmic sources

eyepiece, ocular - combination of lenses at the viewing end of optical instruments

object glass, object lens, objective lens, objective - the lens or system of lenses in a telescope or microscope that is nearest the object being viewed

reflecting telescope, reflector - optical telescope consisting of a large concave mirror that produces an image that is magnified by the eyepiece; "Isaac Newton invented the reflecting telescope in 1668"

refracting telescope - optical telescope that has a large convex lens that produces an image that is viewed through the eyepiece

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References in periodicals archive

NASA has announced it has awarded a contract to Harris Corporation for the Optical Telescope Assembly for the agency's Wide Field Infrared Survey Telescope (WFIRST) mission, the company said.

NASA awards contract to Harris for optical telescope assembly

A new instrument for the world's largest optical telescope, the Large Binocular Telescope on Mt.

Astronomers can watch stars being born

"The spectrum is one commodity Africa can claim competitive advantage over the rest of the world as we host the largest gamma rays telescope, largest optical telescope and soon the largest radio telescope," he said.

Continent Bidding to Host Largest Telescope

8 On which Canary Island was the Gran Telescopio Canarias, the world''s largest single optical telescope, inaugurated by King Juan Carlos I of Spain?

Coffee time The news quiz

30): The Hubble Space Telescope was not the first optical telescope in space.

Hubble first?

Libya has already purchased a 2m robotic telescope and Egypt already operates a 2m optical telescope, while Turkey and India already have a number of observatories and telescopes.

National Astronomical Telescope to be Set up in Five Years

The largest optical telescope in the northern hemisphere, the Gran Telescopio Canarias--Grantecan--located on La Palma, one of the Spanish Canary Islands, began trial operations with Heidenhain model ERA 780C angle encoders used to position the telescope.

Heidenhain controllers guide a big eye

John Locker used an optical telescope to record the highly-classified craft tumbling in its faulty orbit as it passed over his home in Upton, Wirral.

Stargazer John keeps his eye on satellite

Scientists will use the optical telescope at the Oak Ridge Observatory in Massachusetts to try to detect light signals they believe could be sent from distant civilisations.

Is anyone out there?

The largest optical telescope in the Southern Hemisphere (above) was opened at the beginning of November in South Africa's Northern Cape Province.

South Africa

Watson is Astronomer-in-Charge of the Anglo-Australian Observatory in Australia, responsible for the scientific output of the country's largest optical telescope: this survey Stargazer provides a pleasing modern history.

Stargazer