Gorgeous photos of #JWST hardware going into @NASAGoddard's huge vacuum chamber for tests: http://go.nasa.gov/Iq5ahz pic.twitter.com/BiMr8iLfZy
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Gorgeous photos of #JWST hardware going into @NASAGoddard's huge vacuum chamber for tests: http://go.nasa.gov/Iq5ahz pic.twitter.com/BiMr8iLfZy
