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Most Powerful Space Telescope Ever Built Gets Final Mirrors
GREENBELT, Md. — The James Webb Space Telescope, NASA's next flagship space observatory at $8.8 billion, has passed a major milestone on its road to its planned 2018 launch. The delivery of the last three mirrors that will make up its complicated infrared-seeking innards was completed hours ago. (news.yahoo.com) 更多...Matt Pilla 网站编辑