Mystery AtlasThe Cosmological Constant Hypothesis
The leading explanation for dark energy: a fixed vacuum energy density built into space itself, denoted Lambda, that fits the observational evidence well but whose predicted value from quantum field theory overshoots the observed value by roughly 120 orders of magnitude.
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Theories & Explanations
The Cosmological Constant Hypothesis is frequently compared to Quintessence — The two leading rival explanations for dark energy: a fixed vacuum energy versus a dynamical field whose strength can evolve over time.
Science & Technology
The Cosmological Constant Hypothesis attempts to explain Dark Energy.