James Webb Space Telescope model

1 of 4 from Photos: Hubble's replacement to probe the past

The James Webb Space Telescope is set to launch in 2013 and will study the origins of the universe.

Here, telescope team members examine a fully functional, one-sixth scale model of the telescope's mirror in an optics test bed.

January 19, 2007 8:45 AM PST

Photo by: NASA.gov

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