The ultimate source of energy that powers the Sun is
A)chemical potential energy of hydrogen burning into helium.
B)thermal energy of the hydrogen atoms in the Sun.
C)mass energy of hydrogen fusing into helium.
D)kinetic energy of the orbital motion of the Sun.
E)gravitational potential energy of the contraction of the gas cloud that formed the Sun.

Question

Quizplus · Accepted Answer

The ultimate source of energy that powers the Sun is the mass-energy of hydrogen fusing into helium through nuclear fusion in the core. This releases an enormous amount of energy in the form of light and heat.

The Ultimate Source of Energy That Powers the Sun Is