Defenition of the word red shift

• Defenition of the word red shift

  • (astronomy) a shift in the spectra of distant galaxies toward longer wavelengths; generally interpreted as the Doppler effect resulting from the velocity at which they recede as the universe expands
  • (astronomy) a shift in the spectra of very distant galaxies toward longer wavelengths (toward the red end of the spectrum); generally interpreted as evidence that the universe is expanding

Hypernyms for the word red shift

• • Doppler effect
  • Doppler shift
  • propagation

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