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James Webb telescope team completes optical milestone — phys.org
Ball Aerospace Technician Robin Russell inspects the Webb Telescope Aft Optics Subsystem during mirror integration activities. The Aft Optics bench, made of lightweight beryllium like the mirrors,...
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NASA – New Video Brings Webb Telescope’s Third Mirror to Light
This image shows the four types of mirrors on the Webb telescope. From left to right are: a primary mirror segment, the secondary mirror, tertiary mirror and the fine steering mirror. The bottom right...
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