View Images Library Photos and Pictures. If the Hubble Space Telescope's 2.4 meter mirror were scaled to be large enough for Webb, it would be too heavy to launch into orbit. The Webb team had to find new ways to build the mirror so that it would be light enough - only one-tenth of the mass of Hubble's mirror per unit area - yet very strong. James Webb Space Telescope necklaceThis is the second piece in my new collection which pays tribute to some of the coolest telescopes around (which all started with my old favourite, the Lovell Telescope). It shows the eighteen super shiny mirrors of JWST, and comes on a silver plated chain with a lobster clasp closure.This is probably the most optimistic of my telescope collection; JWST is currently scheduled to launch in 2021 if all goes to plan.I laser cut and assemble every piece of these ne The James Webb Telescope is often described as the successor to the Hubble Space Telescope which is nearing the end of its mission life. The obvi...
