# James Webb Space Telescope Mirror37

- By: NASA/MSFC/David Higginbotham/Emmett Given
- Date: 2010-07-13
- Classification: Photograph
- Credit line: http://www.jwst.nasa.gov/images_mirror45.html
- Museum: [Wikimedia Commons](https://commons.wikimedia.org/wiki/File:James_Webb_Space_Telescope_Mirror37.jpg)
- Rights: Public domain
- Picture: https://invisiblenetwork.ai/thumbs/commons/thumb/9/99/James_Webb_Space_Telescope_Mirror37.jpg/1920px-James_Webb_Space_Telescope_Mirror37.jpg
- Who can see it: Teens profiles and older (museums give no ratings; placed by Invisible Network from the museum's own words)

Caption: During cryogenic testing, the mirrors will be subjected to temperatures dipping to 24 Kelvins, permitting engineers to measure in extreme detail how the shape of each mirror changes as it cools. More information: Click here