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The 64 pages that link to Dark energy, each with the reason it gives.

• General relativityRelated: In relativistic cosmology, its effects are often represented by a cosmological constant.

• Dark matterCompared with: It is often confused with dark matter, but affects cosmic expansion rather than clustering as matter.

• Type Ia supernovaRelated: Supernova distance measurements constrain how dark energy affects cosmic expansion.

• Baryon acoustic oscillationsRelated: Comparing the acoustic ruler across cosmic times constrains dark energy’s influence.

• Cosmological constantNarrower topic: The cosmological constant is the simplest model of dark energy.

• SupernovaRelated: Distant Type Ia supernovae supplied key evidence for cosmic acceleration.

• Big BangRelated: Its nature determines how the universe’s expansion may develop in the far future.

• Lambda-CDM modelNarrower topic: The model’s cosmological constant is its simplest dark-energy component.

• GravityRelated: Its gravitational behavior challenges explanations of cosmic expansion.

• CosmologyRelated: Its physical nature remains unknown despite its central role in cosmic fate.

• Hubble tensionRelated: A changed expansion history could reshape constraints on its properties.

• Particle physicsRelated: The Standard Model does not explain the dominant component driving cosmic acceleration.

• Gravitational fieldRelated: Its relation to gravity and the cosmological constant remains a central theoretical problem.

• Hubble's lawRelated: It influences the expansion history behind the measured velocity–distance relation.

• Large-scale structure of the universeRelated: Its influence on expansion changes the late growth of structure.

• Zero-point energyRelated: Its nearly uniform density resembles vacuum energy, but their measured scale is unexpectedly small.

• Cosmological constant problemNarrower topic: The measured cosmological constant is the simplest explanation of dark energy.

• Galaxy redshift surveyRelated: Distance and clustering measurements from surveys constrain models of cosmic acceleration.

• Fritz ZwickyCompared with: Unlike Zwicky’s proposed dark matter, dark energy addresses cosmic expansion rather than excess gravitational mass.

• Luminosity distanceRelated: Distant supernova luminosity distances provided evidence for accelerated expansion.

• Redshift-space distortionsNarrower topic: Its influence on structure growth can be tested with velocity-derived measurements.

• Age of the universeRelated: Its nature affects the expansion history used to infer cosmic age.

• Baryonic matterCompared with: It contributes to the cosmic energy budget but is not a form of matter.

• Accelerating expansion of the universeRelated: It is the name given to the component linked to the observed acceleration.

• GravitationRelated: Its relation to gravitation and the cosmological constant remains unsettled.

• Hubble flowRelated: Its effects alter the expansion history beyond the simple present-day Hubble flow.

• Euclid (space telescope)Narrower topic: Euclid's expansion-history measurements are designed to test models of dark energy.

• Wilkinson Microwave Anisotropy ProbeRelated: WMAP’s geometry and matter-density results helped establish the need for a dominant dark-energy component.

• Big RipNarrower topic: The Big Rip requires a form of dark energy whose density grows as space expands.

• Cosmological parametersRelated: Its density is a central parameter in the standard model’s late-time expansion.

• Gravitationally bound systemCompared with: Its large-scale repulsive effect competes with gravity but does not unbind small systems.

• Heat death of the universeRelated: If its effects persist, accelerated expansion shapes the route toward a cold, dilute future.

• Modified gravityCompared with: It is the principal alternative explanation that modified gravity seeks to replace or reinterpret.

• Torsion balanceNarrower topic: Some torsion-balance tests search for short-range forces connected to dark-energy models.

• Big CrunchRelated: Its continued influence makes a future turnaround harder in standard models.

• Brian SchmidtRelated: The discovery made dark energy a central problem in cosmology.

• Dark Energy SurveyRelated: DES tested its influence through expansion history and structure growth.

• High-Z Supernova Search TeamRelated: The team’s discovery prompted renewed efforts to explain what drives cosmic acceleration.

• Saul PerlmutterRelated: The supernova result prompted the modern dark-energy problem, though it did not identify the cause.

• Supernova Cosmology ProjectRelated: The project’s distance measurements helped establish the phenomenon later attributed to dark energy.

• Vacuum energyNarrower topic: Vacuum energy is a leading candidate for the physical source of dark energy.

• Adam RiessRelated: The supernova discovery prompted dark energy to become a central cosmological problem.

• Astronomical objectCompared with: It affects cosmic structure but is not established as an astronomical object.

• Cyclic modelRelated: Its long-term behavior affects whether expansion can ever reverse into contraction.

• South Pole TelescopeRelated: Cluster counts from the telescope help constrain how cosmic expansion changes over time.

• Theory of everythingRelated: Its physical origin remains unexplained by the Standard Model and general relativity together.

• Universe (cosmology)Related: Its nature remains unknown, yet its effects shape the universe’s expansion history.

• Dipole repellerCompared with: Dark energy accelerates cosmic expansion broadly; the repeller is a local effect of uneven matter density.

• Extragalactic astronomyRelated: Distant galaxies and supernovae help constrain the expansion history it affects.

• Modern physicsRelated: Its physical origin remains unknown despite its importance in cosmology.