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Astronomers propose a novel solution to the Hubble tension—a discrepancy in the universe's expansion rate. Their theory suggests Earth resides within a giant cosmic void, approximately a billion light-years across, causing faster expansion locally. This void's lower density draws matter inwards, increasing the outward velocity of objects. Data from the early universe's sound waves supports this 'local void' hypothesis, making it 100 million times more likely than a uniform universe model. Further research will compare this model with other expansion rate estimation methods.

Prepared by Olivia Bennett and reviewed by editorial team.