One of the great triumphs of spectroscopy was when astronomers identified a new element in the Sun (one that was only later found on Earth). Today, this element is called:
A) Solarium
B) Hydrogen
C) Einsteinium
D) Helium
E) Astronomium
Section 5.4: The Structure of the Atom

Question

Quizplus · Accepted Answer

The element that was discovered in the Sun and named helium is the correct answer. It was first discovered in the Sun's spectrum during a solar eclipse in 1868 by French astronomer Jules Janssen and English astronomer Joseph Norman Lockyer. It was later found on Earth in 1895.

One of the Great Triumphs of Spectroscopy Was When Astronomers