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The 84 pages that link to Infrared astronomy, each with the reason it gives.

• Thermal radiationRelated: Many cool objects are observed through their thermal infrared emission.

• TelescopeRelated: Infrared telescopes can reveal cool objects and sources obscured by dust.

• Interstellar dustRelated: Infrared observations reveal dust grains and the regions they obscure at visible wavelengths.

• Brown dwarfRelated: Cool brown dwarfs emit much of their observable energy at infrared wavelengths.

• Starburst galaxyRelated: Infrared observations exposed starbursts whose young stars were hidden at visible wavelengths.

• CryogenicsRelated: Cooling telescope detectors suppresses their thermal noise and improves sensitivity.

• Atmospheric windowRelated: Observatories exploit infrared windows to detect radiation from celestial sources.

• ProtostarRelated: Infrared observations reveal protostars hidden inside dense, dusty clouds.

• Wien's displacement lawRelated: Cool objects peak at longer wavelengths, helping explain why many are observed in the infrared.

• Zodiacal lightRelated: Infrared observations measure thermal emission from the dust that also scatters visible sunlight.

• Cosmic star-formation historyRelated: Infrared measurements recover star formation hidden from ultraviolet surveys by dust.

• Infrared detectorRelated: Astronomical instruments need detectors sensitive to faint infrared signals, often under cryogenic conditions.

• Carina NebulaRelated: Infrared observations reveal young stars and dusty structures hidden in optical images.

• Star formation rateRelated: Infrared emission reveals young stars whose ultraviolet and visible light is absorbed by dust.

• Circumstellar envelopeRelated: Cool circumstellar dust emits strongly in the infrared, making this wavelength range especially useful.

• Cosmic dustRelated: Warm dust emits strongly in the infrared, revealing regions obscured at visible wavelengths.

• Dark nebulaRelated: Infrared wavelengths penetrate dusty clouds more effectively than visible light.

• Debris diskRelated: Warm debris grains emit strongly in infrared wavelengths, exposing disks too faint in visible light.

• Free-floating planetRelated: Cooling planetary-mass objects emit much of their detectable radiation in the infrared.

• Circumstellar mediumRelated: Cool circumstellar dust often emits strongly in the infrared.

• Eagle NebulaRelated: Infrared observations penetrate dust and expose young stars hidden within the nebula.

• Extremely Large TelescopeRelated: Infrared instruments let the ELT study cool objects and distant, redshifted light.

• Bok globuleRelated: Infrared observations can reveal warm embedded sources hidden by a globule's dust.

• Dyson sphereRelated: Waste heat from a stellar collector would be most conspicuous at infrared wavelengths.

• Gerard KuiperRelated: Kuiper used infrared observations to investigate planetary atmospheres and surfaces.

• Wien approximationRelated: Thermal source spectra can be estimated with Wien’s form when the observed band lies in the high-frequency tail.

• Cryogenic coolingRelated: Cooling telescope detectors suppresses their own infrared emission and thermal noise.

• Rogue planetRelated: Young, warm rogue planets can be detected through their infrared glow.

• Arp 220Related: Infrared observations reveal Arp 220’s enormous luminosity despite its obscuring dust.

• Substellar objectRelated: Cool substellar objects emit much of their observable energy at infrared wavelengths.

• Charles H. TownesRelated: Townes developed instruments and observations for infrared studies of the galactic center.

• Galactic planeRelated: Infrared observations can penetrate dust that obscures the plane in visible light.

• WISE 0855−0714Related: WISE 0855−0714 was detected through its infrared emission.

• Zone of AvoidanceRelated: Infrared observations penetrate Galactic dust better than visible-light surveys.

• Astronomical instrumentationRelated: Infrared detectors observe cool objects and peer through dust that obscures visible light.

• Coalsack NebulaRelated: Infrared observations reveal stars and structure hidden behind the Coalsack in visible light.

• Herbig Ae/Be starRelated: Infrared observations reveal cool circumstellar dust that optical spectra can miss.

• Kennicutt–Schmidt lawRelated: Infrared emission traces obscured star formation that optical indicators can miss.

• Rho Ophiuchi cloud complexRelated: Infrared observations reveal embedded sources that visible light cannot show through the clouds.

• Samuel LangleyRelated: Langley’s bolometer work helped make invisible infrared solar radiation measurable.

• Interplanetary dust cloudRelated: Absorbed sunlight is reradiated by interplanetary grains in the infrared.

• Interstellar cloudRelated: Infrared light can reveal young stars hidden inside dusty clouds.

• MegamaserRelated: The association between infrared-bright galaxies and hydroxyl megamasers helped identify their environments.

• NGC 6302Related: Infrared observations penetrate dusty regions that obscure much of the nebula in visible light.

• Omega NebulaRelated: Infrared observations reveal stars and dust hidden by the nebula's visible-light obscuration.

• Trapezium ClusterRelated: Infrared observations reveal stars and disks hidden by Orion’s dust.

• TW HydraeRelated: Infrared observations trace warm dust and accretion-related emission in the system.

• Young stellar objectRelated: Infrared observations expose young stars hidden inside dusty birth clouds.

• IC 342/Maffei GroupRelated: Infrared observations exposed galaxies that foreground Milky Way dust concealed.

• Maunakea ObservatoriesRelated: Dry air absorbs less infrared radiation, enabling ground-based observations.