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New Data Narrows Hubble Tension in Cosmic Expansion Rates

6/6/2025

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Summary

Story summary

Astronomers have made significant strides in resolving the "Hubble Tension," the puzzling difference in the universe's expansion rates. Utilizing data from the James Webb Space Telescope, they found an expansion rate of 70.4 km/s per megaparsec, closely matching the cosmic microwave background's 67.4 km/s. This promising alignment bolsters the Standard Model of cosmology, yet the quest for answers continues.

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Story summary

Astronomers have made significant strides in resolving the "Hubble Tension," the puzzling difference in the universe's expansion rates. Utilizing data from the James Webb Space Telescope, they found an expansion rate of 70.4 km/s per megaparsec, closely matching the cosmic microwave background's 67.4 km/s. This promising alignment bolsters the Standard Model of cosmology, yet the quest for answers continues.