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red shift

/ˈred ʃɪft/

1 entry

phrase

C1formalcommonscientific/ˈred ʃɪft/

A scientific phenomenon in astronomy where light from distant galaxies shifts toward longer (redder) wavelengths, indicating that the universe is expanding.

  • 🇷🇺Научное явление в астрономии, при котором свет от далёких галактик смещается в сторону более длинных (красных) волн, что указывает на расширение Вселенной.
  1. Astronomical phenomenon C1 formal

    An increase in the wavelength of electromagnetic radiation (such as light) from an object moving away from the observer, causing a shift toward the red end of the spectrum.

    • The red shift of distant galaxies provides evidence for the expansion of the universe.
    • Astronomers measure the red shift to calculate how fast a star is moving away from Earth.
    • The discovery of red shift was crucial for the development of the Big Bang theory.

    🇷🇺Красное смещение