Last updated on April 19, 2014 at 9:20 EDT
Solar spectrum visible
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Solar spectrum, visible

February 28, 2005
Solar spectrum, visible

The solar spectrum in the visible, or white light, region. Spectrograms like this split the light up into many wavelengths (colors). Called absorption lines because they are created as atoms absorb light at certain wavelengths, the dark bands indicate specific ionized elements in the Sun. National Solar Observatory (Sacramento Peak, New Mexico) image.