First, though, the project has to be approved. When the James Webb Space Telescope’s segmented mirror finally launches this year, it will be the biggest observatory ever sent to space.

The lateral displacement and clocking of the moving frame is controlled by three leaf springs which are connected to the fixed telescope structure. The moving frame isolates the mirror segment from ...

The idea, called Segmented Planar Imaging Detector for ... be as sharp as one produced by a large—and expensive—telescope mirror. “The biggest advantage of using PICs in place of traditional ...

New optical technologies have revolutionized astronomy, from the invention of the telescope 400 years ago to more recent developments of adaptive optics and segmented mirrors. The next disruptive ...

Future telescopes like James Webb and Gaia face hurdles in maintenance due to their remote location at the Lagrange Point L2, nearly a million miles from Earth. James Webb’s segmented mirrors ...

This segmented mirror is composed of 492 hexagonal segments ... stars for the Adaptive Optics System (AOS). Telescopes on the Earth's surface face the challenge of atmospheric distortion, which ...