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The cryocooler for the infrared imager has proven to be the toughest design issue with JWST, at least so far, and AFAIK it's still on the critical path for the
by mturmon 11y ago
The cryocooler for the infrared imager has proven to be the toughest design issue with JWST, at least so far, and AFAIK it's still on the critical path for the mission. (http://spacenews.com/northrop-grumman-at-last-set-to-ship-troubled-jwst-cryocooler/ http://spacenews.com/northrop-grumman-at-last-set-to-ship-tr...)
I was surprised the cryocooler was not mentioned in the article. The sunshade is there, but that's not nearly as big an engineering challenge.
- leephillips 11y agoFair point. But try to juggle context, tutorial scientific background, factual overview, news, human interest, and inspiration, and you'll be amazed how fast your allotted 3,000 words gets used up.
- mturmon 11y agoSure, I get it. You covered a lot of ground.