The James Webb Space Telescope has only been watching the sky for a few weeks, and it has already delivered a startling finding: tens, hundreds, maybe even 1000 times more bright galaxies in the early universe than astronomers anticipated.
, each small by today’s standards, but more luminous than astronomers had expected.
. But if the profusion of early galaxies is real, astronomers may have to fundamentally rethink galaxy formation or the reigning cosmology. Indeed, Tommaso Treu of UC Los Angeles, who leads another Webb survey called GLASS, says his team is seeing these early galaxies “form stars like crazy.” They look, he adds, “like giant balls of star formation and nothing else.”
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