How Webb Formed a Perfect Mirror

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Webb formed a perfect mirror out of its 18 segments and created the sharpest infrared image of a star ever made with a single telescope. We explain how the image and its selfies were made and what is next for the James Webb Space Telescope.

00:00 Intro
01:15 Diffraction Spikes Explained
03:59 First Star Images
05:04 First Selfie Image
05:58 Segment Identification and Global Alignment
06:55 Image Stacking
08:01 Coarse Phasing
10:20 Fine Phasing
11:30 Multi Instrument Multi Field Alignment
13:06 Maintaining Alignment
13:53 Skillshare
14:42 Thanks and Welcome New Patrons

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🧭 References:
https://www.spacefoundation.org/wp-content/uploads/2019/07/Acton-Scott_WAVEFRONT-SENSING-AND-CONTROL-FOR-THE-JAMES-WEBB-SPACE-TELESCOPE.pdf

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📭 c/o Christian Ready
P.O. Box 66
Westminster, MD 21158
United States
Earth

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Watch next: Solar Orbiter Discovers Surprising new Phenomenon in the Sun
https://www.youtube.com/watch?v=VOrl2QlPCMI
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