"The universe is growing at about 73.5 kilometers per second per megaparsec, which is much faster than current models predict, marking a significant shift in perspective."
"The disagreement between the two main methods of measuring cosmic expansion, known as 'Hubble tension', is far larger than can be explained by statistical uncertainty."
"The findings strengthen the case for new physics or a deeper reassessment of the early universe, as traditional predictions do not align with current measurements."
An international team of astronomers found the universe is expanding at 73.5 kilometers per second per megaparsec, faster than current models predict. This discrepancy, known as 'Hubble tension', suggests a need for new physics or a reassessment of the early universe. Traditional methods of measuring expansion do not agree, with predictions from the early universe indicating a rate of 67 or 68 kilometers per second per megaparsec. The team used various techniques, including observations of red giant stars and exploding stars, to create a model called 'The Local Distance Network'.
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