Cosmic RadiationAstronomical PhenomenaAstronomyExobiologySolar ActivityEvolution, PlanetaryExtraterrestrial EnvironmentRadiation DosageRadiation, IonizingRadiation InjuriesDose-Response Relationship, RadiationRadiation ToleranceRadiationRadiation ProtectionRadiation MonitoringRadiation OncologyRadiation Injuries, ExperimentalRadiation PneumonitisNeoplasms, Radiation-InducedGamma RaysBackground RadiationRadiotherapyRadiometryRadiotherapy DosageUltraviolet RaysRadiation EffectsRadiation-Sensitizing AgentsCombined Modality TherapyRadiation-Protective AgentsAcute Radiation SyndromeRadioactive Hazard ReleaseCobalt RadioisotopesRadiobiologyRadiotherapy, ConformalX-RaysRadiation Hybrid MappingDose FractionationRadiotherapy, Intensity-ModulatedBrachytherapyDNA DamageLinear Energy TransferRadiodermatitisRadiotherapy Planning, Computer-AssistedRadiotherapy, AdjuvantRadiation GeneticsLeukemia, Radiation-InducedNuclear WarfareBody BurdenSynchrotronsRadiation, NonionizingRelative Biological EffectivenessElectromagnetic RadiationParticle AcceleratorsCesium RadioisotopesFluoroscopyAbnormalities, Radiation-InducedWhole-Body IrradiationSunlightThermoluminescent DosimetryBeta ParticlesDNA RepairTechnology, RadiologicNuclear WeaponsRadiographyTime FactorsRadiosurgeryBrain NeoplasmsRadioactive FalloutTomography, X-Ray ComputedTreatment OutcomeRadiotherapy, High-EnergyChernobyl Nuclear AccidentCell SurvivalHead and Neck NeoplasmsNeoplasmsCranial IrradiationHeavy IonsInfrared RaysFilm DosimetryRadiography, InterventionalRadiotherapy, Computer-AssistedRadioisotopesHealth PhysicsChemoradiotherapyScattering, RadiationNuclear ReactorsCobalt IsotopesNeoplasm Recurrence, LocalPhantoms, ImagingUkraine