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The mirror of the James Webb Space Telescope: looking into the past


The mirror of the James Webb Space Telescope: looking into the past When the joint NASA/ESA/CSA James Webb Space Telescope launches atop an Ariane 5 rocket this December, it will carry with it one of the largest telescopic mirrors ever developed. Considerably larger than the Hubble Space Telescope’s 2.4 m mirror, James Webb’s mirror will be a massive 6.5 diameter mirror, made up of 18 hexagonal, gold-plated beryllium mirror segments. Furthermore, the mirror of James Webb will be one of the most complex spacecraft systems ever launched, and — to no surprise — it takes an expert team, lots of development, and a plethora of testing to prepare the mirror of James Webb for launch and operation at Lagrange Point 2 (L2).   More



(Source: NASASpaceFlight.com - Nov 15)

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