James Webb Space Telescope Size Comparison 2021. Each of the 18 hexagonal segments are the size of a coffee table and coated with. The James Webb Space Telescope is widely seen as the successor to the Hubble Telescope although the two instruments are very different.
NASA Once in space the mirror will take 10 days or so to unfold. Here is an overall size comparison of the Webb left and Hubble right telescopes. 25 and will study every phase of cosmic historyfrom within our solar system to the most distant observable galaxies in the early universe.
After an additional delay Webb is still on track to launch on Dec.
Ariane 5 Rollout with James Webb Space Telescope on Dec. Here is an overall size comparison of the Webb left and Hubble right telescopes. Webb will have an approximately 65 meter diameter primary mirror which would give it a significantly larger collecting area than the mirrors available on the current generation of space telescopes. The James Webb Space Telescope is widely seen as the successor to the Hubble Telescope although the two instruments are very different.