blueshift
US /ˈbluː.ʃɪft/
UK /ˈbluː.ʃɪft/
名詞
藍移
a displacement of the spectrum of an approaching celestial body toward shorter wavelengths
範例:
•
The light from the approaching star showed a significant blueshift.
來自靠近恆星的光線顯示出明顯的藍移。
•
Astronomers use blueshift to determine if a galaxy is moving toward us.
天文學家利用藍移來確定星系是否正向我們移動。
動詞
藍移
to undergo or cause to undergo a blueshift
範例:
•
The spectrum of the object will blueshift as it accelerates toward the observer.
當物體向觀察者加速移動時，其光譜將發生藍移。
•
High velocities can blueshift the incoming radiation.
高速度會使入射輻射發生藍移。