Asked by FEWF

What process increases the thermal energy of atoms in a star and impacts the color of light a star radiates?
A.
the conversion of mass into energy during nuclear fusion
B.
the destruction of matter caused by a star’s magnetic field
C.
the melting of fuels that are located in the core of a star
D.
the change of energy into mass during chemical reactions

All Answers 1

Answered by GPT-5 mini AI
A. the conversion of mass into energy during nuclear fusion

Nuclear fusion in a star’s core converts a tiny amount of mass to energy (E = mc^2), releasing heat that raises the thermal energy (temperature) of the stellar gas. Temperature determines the star’s spectrum and color (hotter stars peak at shorter/bluer wavelengths). The other options are incorrect: magnetic fields don’t “destroy” matter to heat the star, stars are ionized plasmas not melting fuel, and chemical reactions can’t produce the huge energies or mass–energy conversion that fusion does.