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A cosmic 'CT scan' shows the universe is far more complex than expected

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A powerful combination of data from two very different astronomical surveys has allowed researchers to build a "cosmic CT scan" of the universe's evolution.

These snapshots reveal that, as forces like gravity have reshaped the universe, the universe has in turn become less clumpy than expected.

The results suggest that the universe’s structural structures haven’t evolved in the way early-universe did.

The team's research was published on Dec. 10, 2024 , in the Journal of Cosmology and Astroparticle Physics .

"We did see a hint for a small discrepancy in the amount of expected clumpiness in recent epochs, around four billion years ago ," Madhavacheril said.