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Lemaître: an expanding relativistic universe

Contribution grade

Cosmology · foundational cosmological theory

Reference score350,000Provisional editorial estimate of this exact contribution; its grade is assessed separately.

What changed

Cosmic expansion became a physically and observationally connected relativistic model.

Scientific scope

The 1927 French paper; Friedmann's solutions, Hubble's observations and the altered 1931 translation are separate.

Evidence

The linked sources identify this contribution and its scope. WRS has not independently reconstructed the scientific claims. This is the 1927 French paper. Friedmann’s earlier dynamical solutions, Hubble’s later observations and the altered 1931 English translation remain distinct.

Contributors

Provisional WRS assessment, edition 2026-10-16.1. Independent expert calibration is pending. This grade does not certify correctness or assign ownership.

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