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Webb's Primary Mirror Deployed for the Last Time on Earth

Adler Planetarium

Adler Planetarium
Chicago, United States

As part of the NASA’s James Webb Space Telescope’s final tests, the 6.5 meter (21 feet 4 inch) mirror was commanded to fully expand and lock itself into place, just like it would in space.

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  • Title: Webb's Primary Mirror Deployed for the Last Time on Earth
  • Rights: Courtesy of NASA/Chris Gunn
  • External Link: https://www.jwst.nasa.gov/
Adler Planetarium

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