A full-sized test unit of @NASAWebbTelescp's sunshield was stacked & unfurled for the 1st time http://1.usa.gov/1nGFi6i pic.twitter.com/6MMf2Enomg
You can add location information to your Tweets, such as your city or precise location, from the web and via third-party applications. You always have the option to delete your Tweet location history. Learn more
@DarwinsJRT @NASA It will act unintentionally as a sail, but won't push JWST out of orbit. We have fuel to maintain orbit & dump momentum.
@NASAWebbTelescp cool, that was the answer i expected. I knew you guys would have this risk in hand 
#coveringallthebases
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.