Space Telescope Science Institute
Amazing Space: Star Light, Star Bright
This online exploration provides an opportunity to identify the different properties of waves and the relationship that exists between energy, wavelength, and frequency. Correlate images from the Hubble Telescope to the wavelength,...
University of Colorado
University of Colorado: Physics 2000: Spectral Lines
Several pages from an excellent site which describe the science of spectroscopy. The unique atomic emission (and absorption) line spectrum of elements are illustrated and explained. Includes a Java applet depicting the quantum energy...
Georgia State University
Georgia State University: Hyper Physics: Hydrogen Energies and Spectrum
This site from Georgia State University gives information on the transitions of electrons between energy levels. The energy levels for electrons in the hydrogen atom are discussed. The Rydberg equation is stated and electron transitions...
Simon Fraser University
Chem1 Virtual Textbook: What Are Line Spectra?
Acting as part of an overview on quantum theory, this section of the site answers the question, what are line spectra? In addition to the definition and a discussion of related terms, the site also discusses how line spectra are organized.
Wikimedia
Wikipedia: Spectral Line
Wikipedia offers information on spectral line, a dark or bright line in an otherwise uniform and continuous spectrum.
Interactive Mathematics
Interactive Mathematics: Line Spectrum
Using Fourier and Harmonic series, the line spectrums of functions are derived and represented on graphs. Several music examples show the connection between harmonics and sound.