Universe  ID: 13521

Primary Mirror Size Comparison Between Webb and Hubble

Released on January 14, 2020
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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.
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Webb Telescope and Hubble Telescope primary mirror comparison.
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Three rotations of Webb Telescope and Hubble Telescope primary mirror comparison with person as reference.

Credits

Michael McClare (KBR Wyle Services, LLC): Lead Producer
Aaron E. Lepsch (ADNET Systems, Inc.): Technical Support
Krystofer Kim (USRA): Lead Animator
Please give credit for this item to:
NASA's Goddard Space Flight Center

Short URL to share this page:
https://svs.gsfc.nasa.gov/13521

Mission:
James Webb Space Telescope - JWST

Keywords:
SVS >> Comparison
SVS >> Spacecraft
SVS >> Hubble Space Telescope
SVS >> JWST
SVS >> Webb Telescope
SVS >> Mirror
SVS >> James Webb Space Telescope
NASA Science >> Universe
SVS >> Optics
SVS >> Telescope