🌍 where
Where was the first isolated chemical element discovered by spectroscopy found?
ChemistryAstronomy
Quick Answer
It was discovered in the Sun’s spectrum, not on Earth. Helium was first identified in 1868 during a solar eclipse observation.
The Full Story
Helium was first detected in the Sun’s atmosphere in 1868 by astronomers observing a solar eclipse. The element was identified through a bright yellow spectral line that did not match any known substance on Earth. The discovery was made independently by Jules Janssen and Norman Lockyer, and Lockyer helped name the element helium after Helios, the Sun. Helium was not isolated on Earth until 1895.
Key Facts
1.Detected in 1868
2.First found in the Sun
3.Isolated on Earth in 1895
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"The element that was found in the Sun before it was found on Earth"