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NASAWebb's profile
NASA Webb Telescope
NASA Webb Telescope
NASA Webb Telescope
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@NASAWebb

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NASA Webb TelescopeVerified account

@NASAWebb

NASA's James Webb Space Telescope will #UnfoldTheUniverse and show us things we've never seen before.

webb.nasa.gov
Joined April 2009

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    1. NASA Webb Telescope‏Verified account @NASAWebb 11 Jun 2020

      Tower test: complete ✅ #NASAWebb testing teams successfully extended and deployed a critical part of the observatory called the Deployable Tower Assembly. During the test, the tower was extended in the same way it will once in space! More: https://go.nasa.gov/30wgNl7 pic.twitter.com/8COEWGVPKV

      WebbTowerDeploymentTestMainh264aNEWFORPUBISH.mp4
      Tower test: complete ✅✅✅ #NASAWebb testing teams successfully extended and deployed a critical part of the observatory called the Deployable Tower Assembly. #JWST #Webb #NASA
      17 replies 182 retweets 887 likes
      Show this thread
    2. NASA Webb Telescope‏Verified account @NASAWebb 11 Jun 2020

      Humans for scale. Webb's deployable tower which connects the upper and lower sections of the spacecraft is shown here fully extended. During the recently successful test the tower was commanded to deploy and extend 48 inches (1.2 meters) over the course of about 5 hours. #JWSTpic.twitter.com/QFjL2uIYxO

      4 replies 22 retweets 95 likes
      Show this thread
    3. NASA Webb Telescope‏Verified account @NASAWebb 11 Jun 2020

      And this picture shows the deployable tower fully stowed and compacted. By creating a space between the two, it allows for Webb’s active and passive cooling systems to bring its mirrors and sensors down to staggeringly cold temperatures required to perform optimal science.pic.twitter.com/MQyB92B3fE

      3 replies 21 retweets 98 likes
      Show this thread
      NASA Webb Telescope‏Verified account @NASAWebb 11 Jun 2020

      In order to do the test, Webb's 6.5 meter (21 feet 4 inch) primary mirror had to be folded into a much smaller size. This picture shows one of the mirror's side panels latched and stowed with the other soon to follow.pic.twitter.com/aLcxl9Vpwx

      12:03 PM - 11 Jun 2020
      • 17 Retweets
      • 96 Likes
      • Cheryl Schimanskey ★JYAsian★ Ronconi Wilson Ricc. Serge Kornilov Jon Valerie Kay Bliss Maurizio Iβλἄ Daniel Tissera Moon To Mars
      1 reply 17 retweets 96 likes
        1. New conversation
        1. NASA Webb Telescope‏Verified account @NASAWebb 11 Jun 2020

          Now that the observatory has been fully assembled, the difficulty and complexity of both testing and work on Webb has increased significantly. Special tools, lifts and cranes are used to provide engineers and technicians with the best angle of approach to do their work.pic.twitter.com/LiGd6wk29B

          3 replies 19 retweets 120 likes
          Show this thread
        2. NASA Webb Telescope‏Verified account @NASAWebb 11 Jun 2020

          Simulating the zero-gravity environment Webb will operate in, engineers employed an innovative series of pulleys, counterbalances and a special crane called a gravity-negation system that perfectly offloaded all of the effects of Earth’s gravity on the observatory.pic.twitter.com/vp6tYkxoIk

          1 reply 12 retweets 65 likes
          Show this thread
          3. End of conversation

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