In the 1920s, Arthur Eddington Made a Proposal That Proved

Multiple Choice

In the 1920s, Arthur Eddington made a proposal that proved vital to showing how stars generate energy. This was that

A) the Sun's core is much hotter than previously thought.
B) hydrogen fusion is responsible for the Sun's energy output.
C) supernovae are responsible for the creation of heavy elements.
D) more massive stars generate energy quickly and have shorter lifetimes.