Webb Telescope's Science Instrument Installation Time Lapse

Time lapse video of two dozen engineers and technicians successfully installing the package of science instruments of the James Webb Space Telescope into the telescope structure. The package, known as the Integrated Science Instrument Module or ISIM, is the collection of cameras, spectrographs and fine guidance systems that help record the light collected by Webb’s giant golden mirror.

Inside the world’s largest clean room at NASA’s Goddard Space Flight Center in Greenbelt, Maryland, the team crane-lifted the heavy science instrument package, lowered it into an enclosure on the back of the telescope, and secured it to the telescope.

The entire installation process took approximately 17 hours to complete.