KnowraCosmological redshiftLinked fromLinked fromThe 40 pages that link to Cosmological redshift, each with the reason it gives.All 40Broader topic 2Related 32Narrower topic 1Compared with 5Doppler effectCompared with: It can resemble a Doppler shift but arises from expanding space.Gravitational redshiftCompared with: It also reddens light, but arises from cosmic expansion rather than a local gravitational potential difference.Radial velocityCompared with: It shifts spectra without representing ordinary motion through space along the line of sight.Doppler spectroscopyCompared with: It also shifts spectral lines, but its interpretation is expansion rather than local source motion.Relativistic Doppler effectCompared with: It can resemble a velocity redshift but arises from expanding spacetime, not merely local relative motion.