Final Deep Freeze Thermal Vacuum Testing Wraps Up on James Webb Space Telescope

The vault-like, 40-foot diameter, 40-ton door of Chamber A at NASA’s Johnson Space Center in Houston was unsealed on November 18, signaling the end of cryogenic testing for NASA’s James Webb Space Telescope. Credit: NASA

Cryogenic thermal vacuum testing on NASA’s multi-billion dollar James Webb Space Telescope (JWST) has wrapped up at the agency’s […]

James Webb Telescope 'Pathfinder' Replica Completes First Cryogenic Optics Test

The ‘Pathfinder’ enters Chamber A at NASA’s Johnson Space Center. Image Credit: NASA/Chris Gunn

If there is one mantra that drives the development of space mission projects, it’s ‘test, test, test’. Before every successful manned or robotic mission has ever flown to space countless man-hours were devoted for extensive and rigorous testing on the […]