Cassiopeia A (Cas A) tagged posts

New Webb Telescope image reveals Wonders, Beauty, Secrets of Star Structure and Building Blocks of life

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Danny Milisavljevic’s research on the James Webb Space Telescope led to his new detailed image of stellar remnant Cassiopeia A in which infrared light is translated into visible-light wavelengths. (NASA image)

To gaze at the stars is human. To be able to see them in 3D detail is very nearly divine.
Divine vision is what the James Webb Space Telescope has granted Earthbound scientists in a new near-infrared, detailed image of Cassiopeia A (Cas A), a stellar remnant—the clouds of gas, dust and other material left behind when a star dies. Danny Milisavljevic, assistant professor of physics and astronomy in Purdue University’s College of Science, studies supernova remnants and leads a year one research team on the JWST examining Cas A.

“I have spent 17 years studying stars and their ...

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