HUNTSVILLE, Ala. – The first mirror segment that will fly on the James Webb Space Telescope, built by Northrop Grumman Corporation, has completed its first series of cryogenic temperature tests in the ...

Completed 8.4-meter-diameter primary mirror being transported and integrated with a support system prototype at the University of Arizona’s Richard F. Caris Mirror Lab. TUCSON, AZ — October 15, 2024 — ...

HUNTSVILLE, Ala. – In ancient mythological times reflective surfaces like shiny metals and mirrors were thought to be magical and credited with the ability to look into the future. NASA is using ...

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Engineers and technicians working on the James Webb Space Telescope successfully completed the first important optical measurement of Webb’s fully assembled primary mirror, called a Center of ...

A test image captured by NASA's James Webb Space Telescope in May. The dots with six sunbeams stretching outward are stars, while the other sources of light are distant galaxies. (NASA, CSA and FGS ...

PASADENA, CA — September 26, 2023 — The Giant Magellan Telescope begins the four-year process to fabricate and polish its seventh and final primary mirror, the last required to complete the ...

NASA will show off its fully assembled Nancy Grace Roman Space Telescope to journalists on Tuesday, April 21, at Goddard Space Flight Center in Greenbelt, Maryland. The agency announced the event on ...

In May 2022, the James Webb Space Telescope (JWST) encountered a problem. The giant observatory, perched 1 million miles from Earth, has a honeycomb-like configuration of mirror panels to see the ...

World’s largest optical mirror successfully installed on support system prototype for the first time to validate telescope’s extraordinary performance. Installation of one of GMT’s 8.4-m-diameter ...