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An Example of the Doppler Effect
Java applet (part of a wider site) which illustrates the Doppler effect for sound, giving the example of a passing ambulance siren.
Doppler Effect
A good clear explanation of the Doppler Effect with diagrams.
Christian Andreas Doppler
Christian Andreas Doppler (1803 - 1853) is remembered for his work on sound waves. He also conducted research on stars saying colours of stars will change depending on whether a star is approaching ...
Doppler Shift for Sound and Light
Text based page describing the mathematics of a Doppler Shift for sound and light.
Relativistic Doppler Shift
Equation for Doppler Shift and relativistic Doppler shift.
Waves
Suggestions for demonstrations for various wave phenomena, including interference and Doppler shift.
The Doppler effect
Brilliant animations: an excellent site bringing the maths alive. All D Russell's work is rated most highly by teacher panels.
Detect The Jupiter Like Planet Around Three Stars
Details of how large planets have been detected around three other solar type stars. Understanding Doppler wobble aided by an exercise.
Doppler Physlet
Vary the velocity and notice the wavelength shift ahead of and behind the source. A shock wave, i.e., sonic boom, can be seen to form if the speed of the source is comparable to the phase velocity.
Cygnus X-1
Doppler studies of this blue supergiant in Cygnus indicate a period of 5.6 days in orbit around an unseen companion. The mass of the companion is calculated to be 8-10 solar masses, much too large to ...




