The Doppler effect is widely used in astronomy for measuring the velocity at which distant stars or nebulae are approaching or receding.
The Doppler effect is widely used in astronomy for measuring the velocity at which distant stars or nebulae are approaching or receding.
多普勒效应在天文学上广泛应用于测量距离遥远的恒星或星云靠近我们或离开我们速度。