redshift中文什么意思

红位移

红移

• abnormal redshift:    反常红移
• doppler redshift:    多普勒红移
• gravitational redshift:    引力红移; 重力红移; 重力移

例句与用法

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1. The redshift means that the quasars are very far away, more distant than the most distant galaxies we can see .
   红移意味着类星体是非常非常遥远的天体，比我们观测到的最遥远的星体还要远。
2. We measure the redshift by the following parameter ,
   我们通常用z来表示红移的幅度：
3. Linear redshift distortion in galaxy survey
   星系巡天中的线性红移畸变效应
4. The cosmological redshift is not a normal doppler shift
   宇宙学的红移并不是平常的都卜勒偏移。
5. The greater the amount of redshift , the more rapid the movement
   红移的量越多，移动的速度越快。

英文释义

名词

1. (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
   同义词：red shift

百科释义

In physics (especially astrophysics), redshift happens when light seen coming from an object that is moving away is proportionally increased in wavelength, or shifted to the red end of the spectrum. More generally, when an observer detects electromagnetic radiation outside the visible spectrum, "redder" amounts to a technical shorthand for "increase in electromagnetic wavelength" ? which also implies lower frequency and photon energy in accord with, respectively, the wave and quantum theories of light.