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What causes that particular starburst pattern in the James Webb telescope image?
by bobcostas55 5y ago
What causes that particular starburst pattern in the James Webb telescope image?
- zasdffaa 5y agoSearch 'diffraction spikes' IIRC
- Aengeuad 5y agoThe struts of the secondary mirror cause diffraction spikes on all 18 segments which combine to give the final pattern seen, the horizontal spikes are caused specifically by the top strut in particular. This video mostly covers how JWST was focused but from 01:15-04:00 it has an excellent of how the pattern is formed. https://www.youtube.com/watch?v=cWXTy_GeCis https://www.youtube.com/watch?v=cWXTy_GeCis