Primary Mirror Size Comparison Between Webb and Hubble
Webb Telescope and Hubble Telescope primary mirror comparison with person as reference.
The James Webb Space Telescope primary mirror is 6.5 meters (21 feet 4-inches) across. The Hubble Space Telescope primary mirror is 2.4 meters (8-feet) across.
The Webb Telescope's longest segment is its sunshield at 21.18 meters (69.5 feet) long. The Hubble Space Telescope is 13.2 meters (43.5 feet) long.
Webb Telescope and Hubble Telescope primary mirror comparison.
Three rotations of Webb Telescope and Hubble Telescope primary mirror comparison with person as reference.
Credits
Please give credit for this item to:
NASA's Goddard Space Flight Center
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Producer
- Michael McClare (KBR Wyle Services, LLC)
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Technical support
- Aaron E. Lepsch (ADNET Systems, Inc.)
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Animator
- Krystofer Kim (USRA)
Release date
This page was originally published on Tuesday, January 14, 2020.
This page was last updated on Wednesday, May 3, 2023 at 1:45 PM EDT.