Doppler Effect — a way to measure the changes in fequency of a wave (sound, light or gravity) and determine how an object is moving in relation to the observer.
More information
See also:
Simulation Java Applet of the Doppler effect
Doppler Effect — a way to measure the changes in fequency of a wave (sound, light or gravity) and determine how an object is moving in relation to the observer.
More information
See also:
Simulation Java Applet of the Doppler effect