Explorations: Introduction to Astronomy (Arny), 6th Edition

Chapter 4: Light and Atoms

Animations


A Model of a Hydrogen Atom (941.0K)
Photons stream away from a light source at the speed of light (1092.0K)
Absorption by the atmosphere (5458.0K)
The Doppler effect (2977.0K)
Absorption (1456.0K)
An Electromagnetic Wave
Inverse Square Law
The Twinkling of Stars
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