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Suggestions for classroom demonstrations on topics including interference and Doppler shift.
Brilliant animations: an excellent site bringing the maths alive. All D Russell's work is rated most highly by teacher panels.
Details of how large planets have been detected around three other solar type stars. Understanding Doppler wobble aided by an exercise.
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 ...
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.
A brief explanation how scientists find exoplanets from the radial method, to measuring Doppler shifts to measure drops in the intensity of light from stars.
Johannes Stark (1874 - 1957) received the Nobel Prize for Physics in 1919 for his discovery of the Doppler effect in canal rays and of the splitting of spectral lines in electric fields.
An animation to illustrate the propagation of sound waves from a moving source. You can modify the wave speed, the source speed and wavelength.
What radar is and how it works, including doppler radar and how to hide from military radar.
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