Linked from

The 130 pages that link to Spectroscopy, each with the reason it gives.

• Hans FischerCompared with: Spectral measurements reveal pigment behavior, while Fischer’s work established molecular structures through chemical analysis and synthesis.

• Per Teodor CleveRelated: Characteristic absorption spectra helped distinguish rare-earth elements in mixtures.

• ÅngströmNarrower topic: Spectroscopy helped establish the need for a convenient unit for short wavelengths.

• Astronomical filterCompared with: A filter samples a broad band or line region, whereas spectroscopy resolves wavelength structure.

• BOSS Great WallRelated: BOSS spectra provided the redshifts needed to place galaxies at estimated distances.

• Electromagnetic astronomyRelated: Spectral lines reveal celestial objects’ chemical composition, motion, and physical conditions.

• Messier 77Related: Emission-line spectra revealed the unusual activity in Messier 77’s nucleus.

• Plasma diagnosticsRelated: Line intensities, widths, and shifts encode composition, temperature, and motion.

• Space scienceRelated: Spectral signatures reveal the composition, temperature, and motion of distant objects.

• ThalliumNarrower topic: Thallium was first recognized through a previously unexplained emission line.

• Visible-light astronomyRelated: Visible spectra reveal celestial objects' chemical composition, motion, and physical conditions.

• Centimetre–gram–second system of unitsRelated: Wavenumbers in inverse centimetres are widely used to report spectral data.

• Edward W. MorleyRelated: Morley’s Nobel-recognized precision work also included measurements in spectroscopy.

• Line of purplesRelated: Spectra can distinguish wavelength mixtures that share a chromaticity on the line.

• NGC 6302Related: Emission lines from NGC 6302 reveal its composition, temperature, and motion.

• Omega NebulaRelated: Nebular spectra identify its elements, physical conditions, and motions.

• TW HydraeRelated: Spectra reveal the star’s activity and the gases in its surrounding disk.

• Alexander GettlerRelated: Spectroscopic techniques offered ways to identify substances in forensic samples.

• Andrea M. GhezRelated: Doppler shifts in stellar spectra supplied line-of-sight velocities alongside positional measurements.

• Atomic systemRelated: Spectral lines reveal transitions between quantized atomic states.

• ChemometricsRelated: Spectroscopic data are a major source of the complex signals chemometrics analyzes.

• Electroanalytical methodsCompared with: It typically derives composition from optical or other radiation signals rather than electrical measurements.

• Heinrich KayserNarrower topic: Kayser’s research used spectral measurements to identify and compare the emissions of elements.

• Instrumental chemistryNarrower topic: Many instruments identify compounds by measuring characteristic absorption, emission, or scattering of light.

• Johann Wilhelm RitterNarrower topic: Ritter’s discovery broadened the spectral region available for investigation.

• NebuliumNarrower topic: Spectroscopy revealed the lines that nebulium was invented to explain.

• NGC 7027Related: Emission lines from NGC 7027 disclose its atoms, ions, molecules, and physical conditions.

• Outline of physical scienceRelated: Its signatures identify substances in laboratories, stars, and remote environments.

• Period 1 elementRelated: Solar spectroscopy revealed helium before terrestrial samples were known.

• Yellow supergiantRelated: Spectral lines reveal yellow supergiants' temperatures, compositions, and atmospheric motions.