Why are #JWST's mirrors are gold-coated? Gold-coating optimizes them for reflecting infrared light! #MirrorSeasonpic.twitter.com/EmuNqaGGAE
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@NASAWebbTelescp Has the#JWST finished it's cyrotesting yet?
@CraigByrne131 We have finished some tests, but have many others in front of us! Our instruments are currently undergoing a cryo test.
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@NASAWebbTelescp Thanks for the update! Hopefully all the testing go as planned.Thanks. Twitter will use this to make your timeline better. UndoUndo
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