And people say that space exploration is a waste of money...
Launching in October, #NASAWebb will deliver never-before-seen views of the universe. But it's already changed how we see things on Earth! 
A technology for measuring Webb mirrors was fine-tuned & applied to the world of eye surgery: https://go.nasa.gov/2ZXy6YR #ConnectedByEarthpic.twitter.com/KdQO29ECGW
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Here's a detailed analysis of every single one of those accounts...
pic.twitter.com/7e5YPEoDuX
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Yes, we are planning to broadcast our launch! Stay tuned :)
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Launch will be so ....
Good luck to Webb ! 
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Can I buy this coin?
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I do hope that this time the space telescope at least got manually Foucault tested as an acceptance test to avoid a repeat of hubble.
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