The findings suggest that less massive galaxies can shine brightly due to intermittent, dazzling bursts of star formation.
Artist conception of early starbursting galaxies. The image is rendered from FIRE simulation data used for this research that can explain recent JWST results.
The images astounded scientists since the early galaxies seemed extraordinarily bright and enormous, and they appeared to have developed quickly after the Big Bang. Faucher-Giguère added: “Typically, a galaxy is bright because it’s big. But because these galaxies formed at cosmic dawn, not enough time has passed since the Big Bang. How could these massive galaxies assemble so quickly?”
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