Helium was first discovered in the
A)laboratory.
B)upper atmosphere.
C)sun.
D)island of Helios,in Greece.
E)by-products of nuclear fusion.

Name: Helium was first discovered in the A)laboratory. B)upper atmosphere. C)sun. D)island of Helios,in Greece. E)by-products of nuclear fusion.
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Question

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Helium was first discovered in the sun. It was identified in 1868 by astronomers during a solar eclipse when they observed a yellow spectral line in sunlight, which did not match any known element on Earth.

Helium Was First Discovered in the