While the purpose of this image was to focus on the bright star at the center for alignment evaluation, Webb’s optics and NIRCam are so sensitive that the galaxies and stars seen in the background ...

Four-and-a-half months after the James Webb Space Telescope's Christmas Day launch, engineers have achieved near-perfect alignment of its complex optical system, setting the stage for final instrument ...

Webb continues on its path to becoming a focused observatory. The team has successfully worked through the second and third out of seven total phases of mirror alignment. With the completion of these ...

A mosaic of images taken by the James Webb Space Telescope, showing the images of a single star as seen by the 18 segments of the spacecraft's primary mirror as part of the mirror alignment process.

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Stars are getting sharper in the James Webb Space Telescope's field of view. The team recently ...

The optical system on board the James Webb Space Telescope (JWST) has completed its latest critical alignment steps, with NASA saying it now expects the observatory’s optical performance to meet or ...

Optical Surfaces Ltd designs and manufactures a wide range of mounts for use with mirrors to optimize their optical performance. Ultra-high precision mirrors are useless unless they are positioned ...

With the James Webb Space Telescope at its final destination in orbit around the sun, now the telescope has to go through a series of alignment processes to get it ready for collecting science data.