<ul><li>Stunning images captured by the James Webb Space Telescope (JWST) reveal a light echo near the supernova remnant Cassiopeia A.</li><li>The light echo is a faint reflection of the light emitted during a supernova explosion that occurred about 11,000 light-years away in the constellation Cassiopeia.</li><li>The infrared light echo comes from the material behind Cassiopeia A, not from the material expelled during the explosion.</li><li>Astronomers plan to further study the scene using JWST's Mid-Infrared Instrument to analyze the changes in the composition of the dust patch over time.</li></ul>

Space photo of the week: James Webb telescope reveals mysterious 'light echo' in the broken heart of Cassiopeia

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