Beautiful!!
Deployment tests help safeguard mission success by physically demonstrating that #NASAWebb is able to move and unfold as intended. Read more about our successful mirror deployment test: https://go.nasa.gov/2R5JOPk 
: NASA/Chris Gunnpic.twitter.com/guQyAlnSUJ
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An absolutely fantastic achievement for mankind. Science at its best. Despite hiccups; hopefully the project will b launched as scheduled. How long will we have to wait to see it’s first images?
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