NASA
Nasa: Imagine the Universe: Supernovae Remnants
A brief description of supernova remnants with many embedded links to help define terms used in the description. The specific topics are age and the importance of remnants to us and the types. Definitions of key words are provided.
Pennsylvania State University
Kettering University: Doppler Effect and Sonic Boom
Incredible set of animations demonstrating the Doppler effect and shockwaves resulting from supersonic aircraft.
Georgia State University
Georgia State University: Hyper Physics: Doppler Effect
This hypertext physics course page illustrates and explains the Doppler effect. Users perform practice calculations for frequency shifts using the Doppler equation.
Atomic Archive
Atomic Archive: Example Scenario: New York Example
From the Atomic Archive - the online companion to the award-winning CD-ROM. This page (and the several that follow from it) paint a picture of the events which would occur if an H-bomb was dropped pon New York City. The effect of the...
Physics Classroom
The Physics Classroom: The Doppler Effect and Shock Waves
This high school physics lesson focuses on the application of the Doppler effect to sound. Discusses what the Doppler effect is, offers examples of its occurrence, and explains what shock waves and sonic boom are.