무료 동영상 감상 Webb Space Telescope

(43.2 MB) 19 May 2016에 추가됨 138번 플레이됨 우주 과학
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Webb Space Telescope

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Engineers place the heart of the James Webb Space Telescope into the Space Environment Simulator, a giant thermal vacuum and cryogenic testing chamber, at NASA's Goddard Space Flight Center in Greenbelt, Maryland.

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