@NASAWebbTelescp @NASAGoddard Is it Berilium-covered segmented-mirror?
Inside the cleanroom earlier today, #JWST mirrors being uncovered @NASAGoddard in prep for instrument installation.pic.twitter.com/xHM5UOGXOq
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@astroefecto@NASAGoddard The mirrors are made out of beryllium and coated with gold to optimize them for reflecting infrared light. - Show replies
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@boanus Appears they did an outside one as a test, then started in the middle and are doing inner ring on that side, then outer ring.Thanks. Twitter will use this to make your timeline better. UndoUndo
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@NASAWebbTelescp@NASAGoddard Every time I see these JWST assembly photos I worry about someone tripping and breaking everything.Thanks. Twitter will use this to make your timeline better. UndoUndo
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@NASAWebbTelescp@NASAGoddard this is cool, floting on mirrors...Thanks. Twitter will use this to make your timeline better. UndoUndo
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