Wed. Feb 1st, 2023

Sparkle-filled JWST galaxy solves a longstanding cosmic mystery

Byadmin5731

Jan 23, 2023

This sparkle-rich lensed galaxy located behind galaxy cluster SMACS 0723, known as the Sparkler, just happens to be catching this galaxy in the act of forming a second population of stars within some of its massive globular clusters. This could provide the solution to a longstanding mystery: how a second population of stars can come to exist within these objects. (Credit: NASA, ESA, CSA, STScI; Annotation: E. Siegel)

Most globular clusters appear to form their stars all at once, but there are exceptions. JWST just observed how “second formations” happen.

Over half a year since its first science image was released, JWST’s data continues to educate us.

By admin5731

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