Definition
Planetary habitability is a measure used in astrobiology to characterize a planet's or a natural satellite's potential to develop and sustain an environment hospitable to life. The Planetary Habitability Laboratory maintains a catalog of potentially habitable exoplanets.
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16 Cygni18 Scorpii47 Ursae MajorisA-type main-sequence starAbiogenesisAccretion (astrophysics)Accretion diskAcidophile (organisms)Active SETIAeolian processesAestivation hypothesisAlan BossAlien languageAlkaliphileAllan Hills 77005Allan Hills 84001Allen Telescope ArrayAlpha CentauriAlternative biochemistriesAmes Research CenterAmino acidAmino acidsAmmoniaAmmonia-based lifeAnaerobic organismAncient astronautsApollo 17ArchaeaArecibo ObservatoryArecibo messageAsteroid beltAsteroid miningAstrobiologyAstrobiology (journal)Astrobiology Field LaboratoryAstrobiology Science and Technology for Exploring PlanetsAstrobiology Society of BritainAstrobotanyAstrochemistryAstroecologyAstrolinguisticsAstrometryAstronomical objectAstronomical unitAstronomyAstronomy MagazineAstrooceanographyAstrophysicalAstrophysicsAtacama DesertAtmosphereAtmospheric pressureAtmospheric sciencesAurelia and Blue MoonAxial tiltB-type main-sequence starBBC NewsBIOPANBLC1BRUIEBacteriaBarnard's StarBeagle 2Beagle 3Beliefs in extraterrestrial lifeBerkeley SETI Research CenterBernal sphereBerserker hypothesisBinary starBio-diversityBioSentinelBioastronauticsBiochemistryBiolabBiological Oxidant and Life DetectionBiologistBiomassBiomoleculeBion (satellite)Biosatellite programBiosignatureBiosphereBishop Ring (habitat)BlanetBoiling pointBracewell probeBreakthrough Enceladus missionBreakthrough InitiativesBreakthrough ListenBreakthrough MessageBreakthrough StarshotBrookings ReportBrown dwarfBrown dwarfsCAESAR (spacecraft)CI1 fossilsCNO cycleCTA-102California State UniversityCallisto (moon)Cambrian explosionCarbonCarbon dioxideCarbon monoxideCarbon planetCarl SaganCarl Sagan InstituteCarnegie InstitutionCatalog of Nearby Habitable SystemsCatastrophically evaporating planetCecilia BitzCelestial body atmosphereCell (biology)Center for Life Detection ScienceCentre de données astronomiques de StrasbourgChang'e 4ChemosynthesisChthonian planetCircumbinary planetCircumplanetary diskCircumstellar discCircumstellar envelopeCircumstellar habitable zoneCircumtriple planetCo-orbital configurationCold JupiterColonization of MarsColonization of MercuryColonization of TitanColonization of VenusColonization of the MoonColonization of the Solar SystemColonization of the asteroidsColonization of trans-Neptunian objectsCometComet Shoemaker–Levy 9Communication with extraterrestrial intelligenceCoreless planetCosmic dustCosmic pluralismCosmic radiationCosmic rayCosmic shorelineCovalent bondCrust (geology)Cryomyces antarcticusCryomyces minteriCuriosity (rover)CyanobacteriaDNADark forest hypothesisDarwin (spacecraft)David Darling (astronomer)David GrinspoonDebris diskDefinition of lifeDefinition of planetDennis OverbyeDesert planetDetached objectDiameterDirected panspermiaDirk Schulze-MakuchDiscover MagazineDiscoveries of exoplanetsDisrupted planetDonald E. BrownleeDoppler spectroscopyDouble planetDragonfly (Titan space probe)Drake equationDwarf planetDynamo TheoryDynamo theoryEPIC 204278916EXPOSEEarliest known life formsEarthEarth's internal heat budgetEarth's magnetic fieldEarth analogEarth massEarth system scienceEarthquakeEccentric JupiterEclipticEcumenopolisEmission spectraEnceladus (moon)Enceladus ExplorerEnceladus Life FinderEnceladus Life Signatures and HabitabilityEnceladus OrbilanderEnergyEscape velocityEuCROPISEukaryoteEurekAlertEuropa (moon)Europa ClipperEuropa Lander (NASA)European Astrobiology Network AssociationEuropean Geosciences UnionEuropean Space AgencyEvolutionary biologyEvolving the AlienExoLanceExoMarsExobiology Radiation AssemblyExocometExomoonExoplanetExoplanet Data ExplorerExoplanet interiorsExoplanet naming conventionExoplanet orbital and physical parametersExoplanetary Circumstellar Environments and Disk ExplorerExoplanetologyExotheologyExozodiacal dustExplorer of Enceladus and TitanExposing Microorganisms in the StratosphereExtragalactic planetExtrapolationExtrasolar Planets EncyclopaediaExtrasolar planetsExtrasolar planets in fictionExtraterrestrial hypothesisExtraterrestrial intelligenceExtraterrestrial lifeExtraterrestrial liquid waterExtraterrestrial materialsExtraterrestrial sample curationExtraterrestrials in fictionExtremophileEyeball planetF-type main-sequence starFast radio burstFeedbackFermi paradoxFirstborn hypothesisFlare starFobos-GruntFormation and evolution of the Solar SystemFoton-MFrank DrakeFreezing pointG-type main-sequence starGJ 667 CcGaia hypothesisGalactic habitable zoneGamma rayGanymede (moon)Gas giantGauss's Pythagorean right triangle proposalGenetic driftGenetic mutationGeochemicalGeochemistryGeodynamicsGeodynamics of terrestrial exoplanetsGeologyGeomicrobiologyGeophysicsGeorgia State UniversityGeothermal heatGiant-impact hypothesisGiant impact hypothesisGiant planetGlacierGliese 163Gliese 163 cGliese 229AGliese 581 cGliese 581 dGliese 581 gGlobular clusterGlycineGravitational collapseGravitational microlensingGravityGreat FilterGreat Oxidation EventGreenwich Community CollegeHD 164595HabCatHabitability of F-type main-sequence star systemsHabitability of G-type main-sequence star systemsHabitability of K-type main-sequence star systemsHabitability of binary star systemsHabitability of natural satellitesHabitability of neutron star systemsHabitability of red dwarf systemsHabitability of yellow dwarf systemsHabitable Planets for ManHabitable moonHabitable zoneHabitable zone for complex lifeHart–Tipler conjectureHarvard-Smithsonian Center for AstrophysicsHayabusa2Heat transferHeavy metal (chemistry)HeliumHelium planetHemolithinHerbig Ae/Be starHills cloudHipparcos CatalogueHistory of the extraterrestrial life debateHomeostasisHot JupiterHot NeptuneHycean planetHydrocarbonsHydrogenHydrogen peroxideHydrothermal ventsHyperPhysicsHypothetical types of biochemistryIAU definition of planetIan Stewart (mathematician)Ice giantIce planetIcebreaker LifeInch of mercuryInfraredIntergalactic travelInterplanetary contaminationInterplanetary dust cloudInterplanetary mediumInterplanetary spaceInterplanetary spaceflightInterstellar cloudInterstellar cometInterstellar communicationInterstellar dustInterstellar mediumInterstellar travelIo (moon)IonisationIron planetJack Cohen (scientist)James KastingJames LovelockJames Madison UniversityJames Webb Space TelescopeJill TarterJournal of ZoologyJournal of the British Interplanetary SocietyJourney to Enceladus and TitanJupiterJupiter-mass binary objectJupiter Icy Moons ExplorerJupiter analogueK-type main-sequence starKardashev scaleKazachokKelvinKepler Space TelescopeKepler space telescopeKuiper beltL4 (spacecraft)Lacaille 8760Lagrange point colonizationLaplace-PLava planetLawn Hill craterLifeLife Investigation For EnceladusLife beyond EarthLife on MarsLife on TitanLife on VenusLight-yearLincos languageList of alleged extraterrestrial beingsList of directly imaged exoplanetsList of exoplanet extremesList of exoplanet firstsList of exoplanet search projectsList of exoplanets detected by microlensingList of exoplanets detected by radial velocityList of exoplanets detected by timingList of exoplanets discovered before 2000List of exoplanets discovered between 2000–2009List of exoplanets discovered by the Kepler space telescopeList of exoplanets discovered in 2010List of exoplanets discovered in 2011List of exoplanets discovered in 2012List of exoplanets discovered in 2013List of exoplanets discovered in 2014List of exoplanets discovered in 2015List of exoplanets discovered in 2016List of exoplanets discovered in 2017List of exoplanets discovered in 2018List of exoplanets discovered in 2019List of exoplanets discovered in 2020List of exoplanets discovered in 2021List of exoplanets discovered in 2022List of exoplanets discovered in 2023List of exoplanets discovered in 2024List of exoplanets discovered in 2025List of exoplanets discovered in 2026List of exoplanets discovered using the Kepler space telescopeList of exoplanets observed during Kepler's K2 missionList of interstellar and circumstellar moleculesList of largest exoplanetsList of microorganisms tested in outer spaceList of most massive exoplanetsList of multiplanetary systemsList of nearest exoplanetsList of nearest terrestrial exoplanet candidatesList of planet typesList of potentially habitable exoplanetsList of proper names of exoplanetsList of resolved circumstellar disksList of transiting exoplanetsLists of exoplanetsLists of planetsLittle Ice AgeLiving Interplanetary Flight ExperimentLong Duration Exposure FacilityLos Angeles TimesLuminosityM-type starMELOSMagnetarMagnetic fieldMagnetosphereMain sequenceMargaret TurnbullMarsMars 2020Mars Astrobiology Explorer-CacherMars Geyser HopperMars Science LaboratoryMars SocietyMars sample-return missionMars sample return missionMathematicianMcKendree cylinderMediocrity principleMega-EarthMercury (planet)MesoplanetMetabolismMetal-richMetallicityMeteoriteMeteoroidMethaneMethods of detecting exoplanetsMicrobiologyMilankovitch cyclesMilky WayMilky Way galaxyMiller–Urey experimentMilnesium tardigradumMini-NeptuneMolecular cloudMoleculeMoonMulticellularMulticellular organismMurchison meteoriteNASANASA Astrobiology InstituteNASA Exoplanet ArchiveNASA Star and Exoplanet DatabaseNIROSETINakhla meteoriteNational Space SocietyNatural satelliteNatural selectionNature (journal)Nebular hypothesisNeocatastrophismNeptuneNeptunian desertNeptunian exoplanetNeutron starNeutron star mergerNew ScientistNexus for Exoplanet System ScienceNitrogenNitrogen fixationNon-planetary abiogenesisNoosphereNorthern Light (spacecraft)Nuclear reactionO'Neill cylinderO/OREOSOGLE-2005-BLG-390LbOREOcubeOSIRIS-RExOcean Worlds Exploration ProgramOcean planetOcean tidesOcean worldOceanus (Titan orbiter)Oort cloudOpen Exoplanet CatalogueOpportunity (rover)OrbitOrbital eccentricityOrbital resonanceOrder of magnitudeOrganic moleculesOrganismOrigin of lifeOrion ArmOuter spaceOutgassingOutline of extraterrestrial lifeOxidizing agentOxygenOzonePHPSR B1919+21PaleontologyPamela L. GayPanspermiaPaul DaviesPenn State UniversityPerseverance (rover)Peter Ward (paleontologist)Phase curve (astronomy)PhilosophyPhoenix (spacecraft)PhosphorusPhotospherePhotosynthesisPhys.orgPhysical sciencePioneer plaquePlanetPlanet-hosting starPlanetarium hypothesisPlanetary-mass objectPlanetary Habitability LaboratoryPlanetary corePlanetary habitability in the Solar SystemPlanetary migrationPlanetary oceanographyPlanetary protectionPlanetary sciencePlanetary scientistPlanetary systemPlanetesimalPlanets in science fictionPlasma (physics)Plate tectonicsPolarimetryPost-detection policyPotential cultural impact of extraterrestrial contactPrecessionProceedings of the National Academy of Sciences of the United States of AmericaProject CyclopsProject OzmaProject Phoenix (SETI)ProteinProtoplanetProtoplanetary diskProxima CentauriPulsar planetQuaternaryRNARadial driftRadiationRadioactiveRadionuclideRare Earth hypothesisRarefactionRed dwarfRed giantRedox gradientReducing agentReduction potentialRespiration (physiology)Retrograde and prograde motionRhizocarpon geographicumRiftia pachyptilaRing systemRobotic spacecraftRogue planetRosalind Franklin (rover)Rosaly LopesRosetta (spacecraft)RotationRubble pileRunaway greenhouse effectRusavskia elegansSERENDIPSETI@homeSHGb02+14aSalinitySample-return missionSan Marino ScaleSaturnScattered discSearch for extraterrestrial intelligenceSeasonSecond generation planetSemi-major axisSetiQuestShergotty meteoriteSilicaSilicateSiliconSilicon-based lifeSmall planet radius gapSnowball EarthSolar SystemSolar analogSolar cycleSolar massSolar nebulaSolar proton eventSolar variationSolar windSouth AmericaSpace.comSpaceXSpaceX Red DragonSpace Flyer UnitSpace and survivalSpace colonizationSpace explorationSpace settlementSpace telescopeSpanish Astrobiology CenterSpectroscopySpherical shellSpirit (rover)Stanford torusStarStar formationStar systemStarspotSteam worldStellar classificationStellar collisionStellar evolutionStellar flareStellar influences on an origin of life settingStellar massStellar variationStellar windSu-Shu HuangSub-EarthSub-NeptuneSub-brown dwarfSubdwarf B starSubgiantSudarsky's gas giant classificationSulfurSunSuper-EarthSuper-JupiterSuper-NeptuneSuper-earthSuper-puffSuperhabitable planetSupermassive black holeSupernovaSupernovaeSuperoxideSyntrichia caninervisTHEOT Tauri starTabby's StarTanpopo (mission)Tanpopo missionTechnosignatureTelescopeTerraformingTerraforming of EuropaTerraforming of MarsTerraforming of VenusTerrestrial Planet FinderTerrestrial planetThe Astrophysical JournalThe New York TimesThe Planetary SocietyTholinTianwen-1Tidal lockingTidally detached exomoonTimeline of evolutionTitan-like exoplanetTitan (moon)Titan Mare ExplorerTitius–Bode lawToroidal planetTorrTrace Gas OrbiterTransit-timing variationTrident (spacecraft)UFO religionUltra-cool dwarfUltra-hot JupiterUltra-hot NeptuneUltra-short period planetUltraviolet germicidal irradiationUltraviolet radiationUnicellularUniformity of motiveUniverseUniversity of CambridgeUniversity of Colorado at BoulderUniversity of OregonUniversity of Puerto Rico at AreciboUniversity of Southern CaliforniaUniversity of WashingtonUranusVVV-WIT-07Variable starVegetable Production SystemVenusVenus-like exoplanetVenus In Situ ExplorerViking (spacecraft)Viking 1Viking 2Viking lander biological experimentsVolcanismVolcanoVoyager Golden RecordWarm JupiterWater (molecule)Water hole (radio)Water on MarsWhite dwarfWow! signalX-rayXenoarchaeologyYamato 000593Yellow giantZhurong (rover)Zoo hypothesis
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