The red shift is one example of the Doppler effect.
The most common approach takes advantage of the Doppler effect.
He was involved in the discovery of the Doppler effect.
They also have a good idea why the Doppler effect occurs.
He is most known for his discovery of the Doppler effect.
Doppler effect can be used to separate different objects based on speed.
The easiest way to experience the Doppler effect is to listen to a moving train.
Most people know the Doppler effect as a phenomenon that occurs with sound.
It's not a Doppler effect with a mechanical whistle of any kind.
He had also made use of the Doppler effect here on Earth.