The picture could help inform our current knowledge of where the building blocks of planets and ourselves first emerged.
This is according to a press statement published by NASA on Friday.“Cas A represents our best opportunity to look at the debris field of an exploded star and run a kind of stellar autopsy to understand what type of star was there beforehand and how that star exploded,” said Danny Milisavljevic of Purdue University in West Lafayette, Indiana, principal investigator of the Webb program that captured these observations.
Cassiopeia A has been widely studied by a number of observatories, including NASA’s Chandra X-ray Observatory, whose details can be combined to provide scientists with a more comprehensive understanding of the remnant. “We’re still trying to disentangle all these sources of emission,” said Ilse De Looze of Ghent University in Belgium, another co-investigator on the program.Meanwhile, a vibrant loop represented in green lies across the right side of the central cavity.
France Dernières Nouvelles, France Actualités
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