They're diffraction spikes from the design of the telescope. https://www.theverge.com/23220109/james-webb-space-telescope-stars-diffraction-spike https://www.th

They're diffraction spikes from the design of the telescope. https://www.theverge.com/23220109/james-webb-space-telescope-stars-diffraction-spike https://www.theverge.com/23220109/james-webb-space-telescope...