Spotted by Webb's Near Infrared Spectrograph (NIRSpec) instrument, the mysterious origin and rapid development of the stars has opened up some fundamental questions about how our universe came to be. "The discovery by Webb of an abundance of luminous galaxies in the very early universe suggests that galaxies developed rapidly, in apparent tension with many standard models," researchers wrote in a study published in the journal Nature. "Galaxy formation models will need to address the existence of such large and luminous galaxies so early in cosmic history."
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