nasa_spectra.gif

    Credit/Permission: NASA, before or circa 2004 / Public domain.
    Download site: NASA: Imagine the Universe: but this image does NOT seem to be there anymore.
    Image link: nasa_spectra.gif.
    Local file: local link: nasa_spectra_display.html.
    Explication file: Star file: nasa_spectra.html.
    File: Star file: nasa_spectra_display.html.