AST-672beginner

Possible Futures of the Universe: Structures & Vocabulary

The long-term future of the universe depends on the behavior of dark energy, matter density, structure evolution, and particle physics. Future scenarios connect observational cosmology to fundamental physics and clarify which outcomes are data-driven versus speculative extrapolations.

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Possible Futures of the Universe: Structures & Vocabulary

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AST-671Possible Futures of the Universe: Foundations→

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AST-673Possible Futures of the Universe: Physical Mechanisms→

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The long-term future of the universe depends on the behavior of dark energy, matter density, structure evolution, and particle physics.

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As expansion accelerates, distant unbound galaxies cross beyond causal reach while bound structures remain held together locally.

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Current observations favor continued acceleration consistent with dark energy close to a cosmological constant, but measurements of its equation of state and possible evolution remain important.