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 ...

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 ...

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 ...

It takes two unique types of mirrors working together to see farther back in time and space than ever before, and engineers at NASA’s Goddard Space Flight Center have just received one of each type.

An enormous piece of glass-ceramic has been cast for the secondary mirror of the European Southern Observatory's (ESO) Extremely Large Telescope, entering a year-long cooldown and heat-treatment ...

On March 3 rd,a team of engineers at NASA's Goddard Space Flight Center succeededin installing the secondary mirror onto the frame of the future James Webb Space Telescope (JWST). Once operational, ...

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