We often hear about the scientists who study JWST's space images and what they discover, but behind these beautiful works of art are image ... along the way — the mirrors unfolding, the ...

Telescope mirrors require some kind of metal coating to reflect as much light as possible. JWST uses gold mirrors to catch UV and visible light emitted by early luminous objects. Secondly ...

The mirror actuators on the James Webb Space Telescope are a perfect example of this extreme engineering, and to understand how they work a little better, [Zachary Tong] built a working model of ...

The technological marvel that is the James Webb Space Telescope (JWST ... last checks being made involves Webb's 6.5m-wide golden mirror. The segmented reflector has to be folded to fit inside ...