The James Webb Space Telescope has successfully deployed the tripod that holds the observatory’s secondary mirror, in what is a critical milestone for the mission. Webb launched on Christmas Day, but ...

The sole secondary mirror that will fly aboard NASA’s James Webb Space Telescope was installed onto the telescope at NASA’s Goddard Space Flight Center in Greenbelt, Maryland, on March 3, 2016. The ...

In another major milestone for the James Webb Space Telescope, a motor-driven tripod unfolded as planned Wednesday, moving a 2.4-foot-wide secondary mirror into position to reflect collected starlight ...

On July 24, 2024, a team at the Vera C. Rubin Observatory in Chile installed its 3.4-meter secondary mirror onto the Simonyi Survey Telescope. Its installment brings the facility one step closer to ...

As it hurdles through space, NASA’s Webb telescope has successfully completed another step in its multi-month bootup process: it has deployed its secondary mirror. While secondary may sound less ...

The James Webb Space Telescope has now achieved its most critical milestone since its launch on Christmas Day, paving the way for its auspicious future. NASA announced Wednesday morning that the ...

Eye on the sky: the glass mirror, one of the largest convex mirrors ever made, was produced by Corning Advanced Optics (Rubin Observatory/NSF/AURA/F. Munoz Arancibia ...

NASA’s James Webb is slowly blooming in space as the $10 billion observatory deployed its secondary mirror support structure on Wednesday. The secondary mirror, measuring 2.4 feet wide, is located on ...