Another @NASAWebbTelescp milestone! Testing of the mirror backplane support structure! http://go.nasa.gov/1pXsURc pic.twitter.com/BGmu5HKrPD
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@NASA@NASAWebbTelescp That looks pretty hefty. Are you boosting that or is that for a ground installation?
@shurato2099 @NASA That is the flight structure that will support our telescope mirrors in space! More pics:https://www.flickr.com/photos/nasawebbtelescope/sets/72157624545241876/ …