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The 66 pages that link to Type Ia supernova, each with the reason it gives.

• RedshiftRelated: Combining supernova distances with host-galaxy redshifts helps map expansion over cosmic time.

• Dark energyRelated: Their measured brightness revealed that distant expansion was accelerating.

• White dwarfBroader topic: In some binary systems, a white dwarf's accreted fuel or merger triggers a runaway explosion.

• Baryon acoustic oscillationsCompared with: Supernovae provide a complementary distance probe without relying on the acoustic ruler.

• Cosmic distance ladderBroader topic: Calibrated with nearby galaxies, these explosions extend measurements much farther than Cepheids.

• Cosmological constantRelated: Distant examples supplied the 1990s evidence that cosmic expansion is accelerating.

• Hubble constantRelated: Supernova distances anchor prominent late-universe estimates of the constant.

• SupernovaBroader topic: This pathway destroys a white dwarf rather than collapsing a massive stellar core.

• Supernova remnantCompared with: Its remnant typically lacks the compact neutron-star engine common in core-collapse cases.

• Binary starRelated: Some proposed pathways involve a white dwarf gaining matter from a binary companion.

• Lambda-CDM modelRelated: Their distances and redshifts revealed the universe’s late-time accelerated expansion.

• Cepheid variableRelated: Cepheid distances calibrate nearby host galaxies, anchoring supernova distance estimates.

• Cosmological redshiftRelated: Combining its brightness distance with host-galaxy redshift traces expansion over time.

• Hubble tensionBroader topic: Distant Type Ia supernovae extend the ladder to galaxies used to estimate expansion.

• PhotometryRelated: Its calibrated light curve helps estimate distances across the universe.

• Peculiar velocityRelated: Nearby supernova distances combined with redshifts expose peculiar-velocity contributions.

• Standard candleBroader topic: Its peak luminosity can be standardized, making it visible across vast distances.

• Absolute magnitudeRelated: Its peak absolute magnitude makes it useful as a distance indicator.

• Hubble's lawRelated: Its calibrated brightness helps test the distance–redshift relation far beyond nearby galaxies.

• Electron degeneracy pressureRelated: A white dwarf nearing its support limit can ignite runaway carbon fusion and explode.

• Neutron star mergerCompared with: It is another luminous stellar explosion, but its energy comes from carbon fusion, not neutron-rich merger ejecta.

• Distance modulusBroader topic: Its standardized peak brightness yields distance moduli across large cosmic distances.

• Tully–Fisher relationCompared with: It estimates distance from transient brightness rather than a spiral galaxy’s rotation.

• Galactic chemical evolutionCompared with: Its delayed iron production contrasts with prompt enrichment from massive-star explosions.

• Chandrasekhar limitRelated: White dwarfs approaching the limit can ignite runaway nuclear burning and explode.

• Period–luminosity relationRelated: Cepheids calibrate nearby supernova distances, extending the distance scale beyond individual stars.

• Fritz ZwickyBroader topic: This later-established supernova class differs from the core-collapse events tied to Zwicky’s neutron-star proposal.

• Luminosity distanceBroader topic: Its brightness-distance relation traces luminosity distance across cosmic history.

• Roche-lobe overflowRelated: Roche-lobe-fed accretion is one proposed route to some Type Ia explosions.

• Hubble parameterRelated: Supernova distances combined with redshifts constrain expansion across cosmic time.

• Accelerating expansion of the universeBroader topic: These explosions supplied the distant distance measurements behind the original discovery.

• Roche lobeRelated: Roche-lobe-fed accretion is one proposed route to bringing a white dwarf toward explosion.

• Subrahmanyan ChandrasekharRelated: White dwarfs approaching the mass limit can ignite runaway burning and produce these explosions.

• Helium flashCompared with: Unlike a Type Ia event, the helium flash does not destroy the star.

• Big RipRelated: Supernova measurements constrain expansion history but do not yet establish future phantom behavior.

• Cosmological parametersRelated: Supernova distances constrain the universe’s expansion history and dark-energy parameters.

• Lookback timeRelated: Their distances and redshifts trace expansion across a range of lookback times.

• Tip of the red giant branchCompared with: It reaches far greater distances, while tip measurements can anchor nearby calibration.

• Brian SchmidtBroader topic: These supernovae provided the distance markers Schmidt’s team compared across cosmic history.

• Dark Energy SurveyBroader topic: DES light curves supplied distances for tracing the expansion history.

• High-Z Supernova Search TeamRelated: The team used these explosions as calibrated markers for measuring distances across the universe.

• Saul PerlmutterBroader topic: These explosions served as distance indicators in the teams' comparison of expansion across cosmic history.

• Supernova Cosmology ProjectNarrower topic: The project used these explosions as distance indicators across the universe.

• Adam RiessBroader topic: Riess’s team used these explosions as distance indicators across cosmic time.

• Classical Cepheid variableRelated: Cepheids in supernova host galaxies calibrate the luminosities used for more distant measurements.

• Degenerate matterRelated: Degenerate conditions help a runaway carbon-burning reaction spread through the star.

• Messier 83Broader topic: The Type Ia event SN 1957A occurred in Messier 83 and contributed to its supernova record.

• Cataclysmic variable starCompared with: It is a possible endpoint of some accreting white dwarfs, not a recurring ordinary outburst.

• Superluminous supernovaCompared with: It is a familiar supernova class whose standard peak luminosity provides a comparison.

• Type II supernovaCompared with: It contrasts with the core-collapse origin typical of Type II events.