AST-773intermediate

Dark Energy and the Long-Term Fate of the Universe: Physical Mechanisms

The long-term cosmic future depends sensitively on how dark energy behaves over enormous timescales. Future scenarios clarify which conclusions follow from current data and which require extrapolating an assumed dark-energy model.

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Dark Energy and the Long-Term Fate of the Universe: Physical Mechanisms

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AST-772Dark Energy and the Long-Term Fate of the Universe: Structures & Vocabulary→

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AST-774Dark Energy and the Long-Term Fate of the Universe: Observation, Measurement & Evidence→

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The long-term cosmic future depends sensitively on how dark energy behaves over enormous timescales.

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With constant positive Λ, unbound structures become increasingly separated and distant galaxies eventually redshift beyond practical visibility.

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