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Spectral Lines (Types (Emission Line Spectra (An energized low-density…
Spectral Lines
Types
Continuous Spectra
A continuous spectrum spans large
regions of wavelength without interruption.
Emission Line Spectra
An energized low-density cloud of gas
emits light only at specific wavelengths.
Each different element has a different
emission line spectrum.
If we determine what lines are present,
we can determine what elements are
present. It is like a fingerprint.
Absorption Line Spectra
If light from black body passes
through from cooler gas, then
it can often end up with absorption lines.
Examples
The SUN
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Chromosphere
The choromosphere is a much thinner atmosphere
of gas above the photosphere. It is only visible
during solar eclipses.
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