8/20/2026
The Chart Room

On this day in space! Aug. 18, 1868: Total solar eclipse leads to discovery of helium

Filed by Dana Graviton
On this day in space! Aug. 18, 1868: Total solar eclipse leads to discovery of helium
On this day in space! Aug. 18, 1868: Total solar eclipse leads to discovery of helium
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Dana Graviton
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On this day in space! Aug. 18, 1868: Total solar eclipse leads to discovery of helium — The Chart Room