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 ...

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 ...

Today, Webb teams successfully deployed the observatory’s secondary mirror support structure. When light from the distant universe hits Webb’s iconic 18 gold primary mirrors, it will reflect off and ...

The sole secondary mirror and another primary mirror that will fly aboard NASA’s James Webb Space Telescope arrived at NASA’s Goddard Space Flight Center in Greenbelt, Md., on Nov. 5, 2012. In this ...

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 ...

Caption: Webb's secondary mirror support structure is seen above the telescope's primary mirror in a clean room at Northrup Grumman's facility in Redondo, California, in 2019. Credit: Northrop Grumman ...

Slowly but surely, the James Webb Space Telescope is taking shape. Following its successful launch on Christmas Day 2021, NASA has been deploying systems one after another to get the telescope into ...