This is it: we’ve just wrapped up one of the most challenging steps of our journey to #UnfoldTheUniverse.
With all five layers of sunshield tensioning complete, about 75% of our 344 single-point failures have been retired!
We just successfully deployed our aft (back) momentum flap, which helps balance pressure from solar radiation on Webb's sunshield, much like a trim tab helps stabilize a boat or plane! ⛵ ✈️
#NASAWebb is safely in space with its solar array drawing power from the Sun! Its reaction wheels will keep the spacecraft pointed in the right direction so that its sunshield can protect the telescope from radiation and heat: https://blogs.nasa.gov/webb/2021/12/25/webb-is-on-its-way/
Discover the person behind the striking illustrations of the 2021 Nobel Prize laureates: Niklas Elmehed, @NiklasElmehed.
Here Niklas is painting the portraits of our two new peace laureates, Maria Ressa and Dmitry Muratov.
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