Size comparison between the JWST's mirror and HST's mirror

by: NASA/MSFC/Novapix
Reference: e-sou05-90013
Date: 2010-03-08

The large JWST 6.5 meters (21.3 feet) mirror compared to the Hubble Space Telescope primary mirror (at left). The James Webb Space Telescope (JWST) is a large, infrared-optimized space telescope scheduled for launch in 2014.

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