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Telescopes and space missions

Telescopes and space missions

The ten-billion-dollar gamble: The JWST’s micro-scale windows on the universe

21 Dec 2021

The James Webb Space Telescope (JWST) is scheduled to launch on 25 December. To mark the event, Physics World is publishing a series of blog posts on the telescope’s technological innovations and scientific missions. This post is the fifth in the series. Read the first here.

Photo of a person holding up the microshutter array
Open and shut: The microshutter array for the NIRSpec instrument. (Courtesy: Astrium/NIRSpec)
Given the hype surrounding its scheduled launch on 25 December, you’d be forgiven for thinking the

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Keith Cooper is a freelance science journalist and editor
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