Hi @NASAWebbTelescp! I can see one of your test secondary mirrors! #JWSTpic.twitter.com/jBb2dmAVfM
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@NASAWebbTelescp Oh we saw one of those! It was vertical down on the floor.
@astronomolly Yes, a silver test primary mirror segment is vertical on the floor right below the window! There's also a silver secondary.
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