The Gregorian telescope is a type of reflecting telescope designed by Scottish mathematician and astronomer James Gregory in the 17th century, and first...

the Illuminator The Gregorian telescope, named after James Gregory Gregorian (band), German band that performs Gregorian chant-inspired versions of modern...

Lennon Telescope and its Thomas J. Bannan Astrophysics Facility, known together as the Vatican Advanced Technology Telescope (VATT), is a Gregorian telescope...

to build this type of telescope, which became known as the Gregorian telescope. Five years after Gregory designed his telescope and five years before...

He described an early practical design for the reflecting telescope – the Gregorian telescope – and made advances in trigonometry, discovering infinite...

Magellan will be the largest Gregorian telescope ever built observing in optical and mid-infrared (320–25000 nm) light. The telescope uses seven of the world’s...

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...

Robert C. Byrd Green Bank Telescope (GBT) in Green Bank, West Virginia, US is the world's largest fully steerable radio telescope, surpassing the Effelsberg...

Atmospheric Cherenkov telescope used to detect gamma rays Infrared telescope Radio telescope Submillimeter telescope Ultraviolet telescope (see also Ultraviolet...

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...