Cosmology
Cosmology is the branch of astronomy and physics that studies the universe’s origin, evolution, large-scale structure, and ultimate fate.
'Big Bang' was named by the theory's chief opponent. British astronomer Fred Hoyle coined it in a 1949 BBC lecture to contrast his Steady State cosmology with the notion that all matter erupted from nothing at one moment. The label went global; Hoyle never accepted the theory.
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The James Webb Space Telescope has found mature galaxies only a few hundred million years after the Big Bang. Such objects appear earlier than standard cosmology expected, so astronomers are rechecking how fast galaxies could grow in the young universe.
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