Inside the cleanroom earlier today, #JWST mirrors being uncovered @NASAGoddard in prep for instrument installation.pic.twitter.com/xHM5UOGXOq
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@NASAWebbTelescp@NASAGoddard Is it Berilium-covered segmented-mirror?
@astroefecto @NASAGoddard The mirrors are made out of beryllium and coated with gold to optimize them for reflecting infrared light.
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@NASAWebbTelescp@NASAGoddard Ok, thank you very much for the info!! I've heard of berylium...Thanks. Twitter will use this to make your timeline better. UndoUndo
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