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September 15, 2016

#1733: Solar Spectrum

Solar Spectrum

[A chart shows the visible colored spectrum of the sun from deep violet to deep red. Along the spectrum are shown 28 black spectral lines of different thickness. Above the chart is a caption:]

The Sun’s spectral lines

[Above the chart there are four and below the chart there are two labels, each label has one or more arrows pointing to different black lines. The two that has only one arrow points to two close lines marking them both. Only 22 lines are labeled like this, the other 6 are not labeled. The labels in reading order, with the number of arrows noted behind in square brackets:]

Calcium [3] Iron [5] Sodium [1] Oxygen [2]

Hydrogen [3] Magnesium [1] Those giant sunglasses [5]