Another @NASAWebbTelescp milestone! Testing of the mirror backplane support structure! http://go.nasa.gov/1pXsURc pic.twitter.com/BGmu5HKrPD
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@RChangeling @NASA The backplane is the giant structure which will support our 18 primary mirror segments. http://www.jwst.nasa.gov/backplane.html
@NASAWebbTelescp @NASA okay, thanks for the let know!
@RChangeling @NASA Always happy to answer questions!
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