The majority of the elements heavier than hydrogen and helium in the universe are believed to have originated in:
A)the original Big Bang.
B)the central cores of stars.
C)HII regions, under the action of H $\alpha$ light.
D)giant molecular clouds.

Question

Quizplus · Accepted Answer

Elements heavier than hydrogen and helium are believed to have been produced in the central cores of stars through nuclear fusion reactions, and later released into space through stellar explosions such as supernovae.

The Majority of the Elements Heavier Than Hydrogen and Helium α\alphaα

The Majority of the Elements Heavier Than Hydrogen and Helium $\alpha$