Sir Isaac Newton once wrote, in what must be one of the most oft-quoted lines in the history of science ... however, most optical telescopes in use in the 21st century derive from the two ...

As ever more expensive optical facilities were built, they exploited new technologies to significantly improve their performance: CCDs, active and adaptive optics, and spun honeycomb and segmented ...

New optical technologies have revolutionized astronomy, from the invention of the telescope 400 years ago to more recent developments of adaptive optics and segmented mirrors. The next disruptive ...

[Bill Hammack] elaborates on one such piece of engineering: The Alignment Optical Telescope. The telescope was used to find the position of the Lunar Module in space so that its guidance computer ...

In the 20th century, telescopes advanced greatly in size, with apertures of optical scopes expanding from just five feet to over 30, and radio dishes growing from 30 feet across to 1,000.

Some of humanity's modern telescopes look nothing like their predecessors, but they share a common purpose and history.

NASA’s Nancy Grace Roman Space Telescope is one giant step closer to unlocking the mysteries of the universe. The mission has now received its final major delivery: the Optical Telescope Assembly, ...

The first major optical telescope in space, NASA’s Hubble Space Telescope is most famous for the iconic and beautiful images it has brought us of distant galaxies. Hubble’s launch in 1990 was ...

Webb optical telescope element manager at NASA Goddard. “We will use this flight data to update our analysis of performance over time and also develop operational approaches to assure we ...