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Astronomers rule out simple errors in universe expansion puzzle

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Based on 4 sources

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3 sources share identical headlines across 1 outlets (wire service copies)

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7 claims

Open Questions

3 questions
What specific new physics or cosmological model could explain the Hubble tension?
Whether dark energy, new particles, or modified gravity are the actual cause of the discrepancy.
How this discrepancy will affect future cosmological theories and measurements.
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