How the James Webb Space Telescope Was Made

(Starts With A Bang!) – Ethan Siegel:

An Ariane 5 rocket, launching at dawn, will carry James Webb in full sunlight to its destination: the L2 Lagrange point, beyond the shadow of both the Earth and the Moon. For only 32 minutes, James Webb will be under battery power; after that, the solar arrays deploy and it will forever be in direct sunlight. Its mission to reveal the Universe will have begun, and every scientist and engineer who helped design and build it will get their celebratory moment of a lifetime. …

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James Webb Space Telescope


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