which element was discovered of the sun before it was discovered on earth?
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Helium, the second most abundant element in the universe, was discovered on the sun before it was found on the earth. Pierre-Jules-César Janssen, a French astronomer, noticed a yellow line in the sun's spectrum while studying a total solar eclipse in 1868.
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Helium were discovered on the sun before it I discovered on earth
On August 18, 1868, Janssen became the first person to observe helium, an element never before seen on Earth, in the solar spectrum.
On August 18, 1868, Janssen became the first person to observe helium, an element never before seen on Earth, in the solar spectrum.
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