File:NASA's Webb Telescope Wrapped in a Mobile Clean Room.jpg
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[edit]DescriptionNASA's Webb Telescope Wrapped in a Mobile Clean Room.jpg |
English: Before moving NASA's James Webb Space Telescope, and to assure that it’s kept clean and safe, Webb got a very special wrapping treatment. The wrapping acts as a “mobile clean room,” safeguarding the technological marvel from contaminants.
All satellites and observatories are created in clean rooms. Clean rooms filter out harmful contaminants, as even a speck of dust or a fingerprint could severely damage the sensitive instruments. So, to move satellites from place to place, as necessary during construction and testing, they need to be placed in a mobile clean room. The mobile clean room, also known as the In-Plant Transporter, looks like a big silver box. Nestled inside, and visible through the translucent wrapping, is the Webb flight spacecraft element, comprised of the spacecraft bus and sunshield. The mobile clean room is, essentially, a giant sealed bag that is purged with clean, dry air injected from pressurized bottles though a flexible tube. A small leak is included in the design so that the container can maintain positive pressure by releasing clean air while blocking air inflow. This same idea is applied to clean tents and clean rooms in buildings, which is evident when we open a door on a clean room and positive pressure inside the clean room forces air out in a gust and prevents dirty air from flowing in. The spacecraft element was moved to a facility where it will undergo vibration and thermal-vacuum testing. In order to move it around, the spacecraft element is folded up, like it will be for launch. Even in this “stowed” condition, it still is about as large as a full-size school bus standing on end, and so requires big equipment to move it from one place to another and keep it clean during final assembly and testing. After all the vibration and vacuum testing is completed, the Webb spacecraft element will be re-wrapped and returned to a clean room at Northrop Grumman’s facility in Redondo Beach, California, where it will be assembled with the telescope element to form the full observatory that will fly in space. Read more: go.nasa.gov/2EEcASh Text credit: Rob Gutro Image Credit: NASA/Chris Gunn |
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Source | https://www.flickr.com/photos/50785054@N03/46648870355/ | |||||||||||
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James Webb Space Telescope
creator QS:P170,Q110278636 |
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This image was originally posted to Flickr by James Webb Space Telescope at https://flickr.com/photos/50785054@N03/46648870355. It was reviewed on 4 October 2021 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-2.0. |
4 October 2021
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current | 16:11, 4 October 2021 | ![]() | 4,136 × 3,100 (4.66 MB) | Ser Amantio di Nicolao (talk | contribs) | Uploaded a work by James Webb Space Telescope from https://www.flickr.com/photos/50785054@N03/46648870355/ with UploadWizard |
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Date and time of data generation | 22:10, 24 October 2018 |
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File change date and time | 12:37, 25 October 2018 |
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Date metadata was last modified | 08:37, 25 October 2018 |
Date and time of digitizing | 22:10, 24 October 2018 |
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