Greenbelt MD (SPX) Jul 29, 2014
The Sunshield on NASA's James Webb Space Telescope is the largest part of the observatory-five layers of thin membrane that must unfurl reliably in space to precise tolerances. Last week, for the first time, engineers stacked and unfurled a full-sized test unit of the Sunshield and it worked perfectly. The Sunshield is about the length of a tennis court, and will be folded up like an umbre
from Space News From SpaceDaily.Com http://ift.tt/1uBzM8W
from Space News From SpaceDaily.Com http://ift.tt/1uBzM8W
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