PROJECT SITE:

You are here!

Official site of the design, build, test and launch of JWST.

SCIENCE SITE:

webbtelescope.org

JWST Science overview, future home of science data and images.

NASA HQ SITE:

www.nasa.gov/jwst

Overview of the spacecraft, mission and science of JWST.

JWST related content on the NASA HOME PAGE plus links to NASA’s other great activities and missions.

MISSIONS:

JWST related Missions.

MORE NASA:

News, Careers, Locations & more.


The Primary Mirror

This page has images associated with the Primary Mirror(s). Click on the thumbnail for larger images and a caption. Learn more about the mirrors and their journey across the country.

Hubble/Webb comparison:

HST and JWST mirror
comparison JWST mirror
comparison

Webb's Mirrors:

Webb's mirrors Webb's mirrors Webb's mirrors Webb's mirrors Canisters The back of a mirror segment The Anatomy of a JWST Mirror

COCOA:

COCOA COCOA

Spare Mirrors Mounted to Pathfinder Backplane:

Silver and Gold

First set of Flight Mirrors Arrive at NASA Goddard:

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Second set of Flight Mirrors Arrive at NASA Goddard:

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Third set of Flight Mirrors Arrive at NASA Goddard:

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Fourth set of Flight Mirrors Arrive at NASA Goddard:

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Fifth set of Flight Mirrors Arrive at NASA Goddard:

James Webb Space Telescope Flight Mirror Arrival! James Webb Space Telescope flight mirror inspection

Last set of Flight Mirrors Arrive at NASA Goddard:

Last of Webb's Mirrors Arrives at NASA Goddard Inspection of One of The Last JWST Flight Primary Mirror Segments Inspection of One of The Last JWST Flight Primary Mirror Segments

Gold Coated Flight Mirrors

The gold coated flight mirrors shown at Marshall Space Flight Center where they are cryogenically tested by Ball Aerospace at the X-ray and Cryogenic Facility.

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Flight Mirrors

The flight mirrors being received at Marshall Space Flight Center for cryogenic testing by Ball Aerospace at the X-ray and Cryogenic Facility.
EG036 Large Flickr gallery of high resolution images

The flight mirrors being cryogenically by Ball Aerospace at the X-ray and Cryogenic Facility at Marshall Space Flight Center:

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Engineering Design Unit Mirror

The polished engineering design unit mirror at SSG/Tinsley:

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The Engineering Design Unit (EDU) primary mirror segment, coated in gold by Quantum Coating Incorporated:

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The Engineering Design Unit (EDU) primary mirror segment, coated in gold by Quantum Coating Incorporated, undergoing cryogenic testing:

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The primary mirror segment engineering design unit (EDU) arrives at Goddard Space Flight Center:

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The primary mirror segment engineering design unit (EDU) tested at Goddard Space Flight Center:

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The primary mirror segment engineering design unit (EDU) and the robot arm that will assemble the flight mirrors:

Robot Arm with a James Webb Space Telescope Test Mirror Segment Webb Telescope Crew Flexes Robotic Arm at NASA Test James Webb Space Telescope Mirror and Backplane Webb Telescope Crew Flexes Robotic Arm at NASA

Mirror Blanks

MIrror blanks at AXSYS and Brush Wellman:

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Misc

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