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'The bottom line is, I told you so': JWST observations upend standard model of how galaxies form, new study claims

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Astronomers using the James Webb Space Telescope (JWST) have found that some of the universe's oldest galaxies are much brighter and heavier than scientists thought.

The finding could lend credibility to an alternative theory to dark matter.

The findings bolster predictions made by a rival theory known as modified Newtonian dynamics.