redshift
US /ˈred.ʃɪft/
UK /ˈred.ʃɪft/
名词
红移
a displacement of the spectrum of an astronomical object toward longer (red) wavelengths, typically indicating that the object is moving away from the observer
示例:
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Astronomers use redshift to determine how fast a galaxy is receding from Earth.
天文学家利用红移来确定星系远离地球的速度。
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The redshift of light from distant stars is evidence for the expansion of the universe.
来自遥远恒星光线的红移是宇宙膨胀的证据。