@NASAWebbTelescp @NASA @NASAGoddard Is the reflective surface the actual mirror, or is it a covering? #curious
How @NASA is using a robotic arm to assemble #JWST's mirror @NASAGoddard: http://go.nasa.gov/1noagln #MirrorSeasonpic.twitter.com/uE33suOqvO
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@MRK_Ham@NASA@NASAGoddard This is the actual mirror - they are gold coated to optimize reflection of infrared light.
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@NASAWebbTelescp@NASA@NASAGoddard The reflective golden surface is 1 of 18 mirrors that makeup the entire primary.Thanks. Twitter will use this to make your timeline better. UndoUndo
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