Discoveryのインスタグラム(discovery) - 2月21日 08時38分

"Everything about this telescope is huge! Here Engineers and technicians moved the #JWST telescope structure inside the cleanroom at @NASA in Greenbelt, Maryland. And this structure isn’t even the biggest part of the telescope…the five-layer sunshield is the size of a tennis court! "
--@astraughnomer, astrophysicist and deputy project scientist for JWST Science Communications
See Dr. Straughn on #Telescope tonight at 9/8c as part of @sciencechannel weekend on #Discovery!

Image credit: @NASA / Desiree Stover

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