Solar energy

The source of the Sun's energy was hypothesized to be related to nuclear reactions rather than gravitational shrinkage, as was hypothesized by Helmholtz. This process of nuclear fusion is the process where four hydrogen nuclei combine to form one helium nucleus.
 George Gamow United States 1929 Solar energy

The source of the Sun's energy was hypothesized to be related to nuclear reactions rather than gravitational shrinkage, as was hypothesized by Helmholtz. This process of nuclear fusion is the process where four hydrogen nuclei combine to form one helium nucleus.