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red shift

/ˈred ʃɪft/

翻译: 天文学中的一种现象,指遥远星系发出的光向波长较长的红端移动,表明宇宙在膨胀。

1 个条目

phrase

/ˈred ʃɪft/C1formalscientific
  • zh天文学中的一种现象,指遥远星系发出的光向波长较长的红端移动,表明宇宙在膨胀。

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

  1. Astronomical phenomenonC1formal

    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.

    zh红移

    • 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.