The most abundant elements in the universe out to the farthest distance attainable by the most powerful telescopes are
A) hydrogen and helium.
B) carbon and oxygen.
C) nitrogen and oxygen.
D) iron and silicon.

Question

Quizplus · Accepted Answer

Hydrogen and helium are the most abundant elements in the universe. This is due to their formation during the Big Bang and their continued production in stars through nuclear fusion. In fact, over 98% of the visible universe is made up of hydrogen and helium.

The Most Abundant Elements in the Universe Out to the Farthest