Question

Stars produce light energy by which process?

Answer 1

Stars produce light energy by nuclear reactions and processes. Stars produce immense amount of energies through nuclear fusion that come out as light and heat.

Answer 2

Explanation:

All stars produce light (and other kinds of energy) through nuclear reactions, using the energy stored in the tiny nucleus at the center of atoms. These reactions make the star so hot that it glows—it's like an enormous ball of fire, giving out light and heat. ... Stars are the same way.