Raymond Davis Jr. Quotes
Every time four protons are turned into a helium nucleus, two neutrinos are produced. These neutrinos take only two seconds to reach the surface of the Sun and another eight minutes or so to reach the Earth. Thus, neutrinos tell us what happened in the center of the Sun eight minutes ago.
Citations
Davis, Raymond, Jr. "A Half-Century with Solar Neutrinos." Les Prix Nobel: The Nobel Prizes 2002, edited by Tore Frängsmyr, Nobel Foundation, 2003.
Related Quotes
Raymond "Ray" Davis Jr. was an American chemist and physicist. He is best known as the leader of the Homestake experiment in the 1960s-1980s, which was the first experiment to detect neutrinos emitted from the Sun; for this he shared the 2002 Nobel Prize in Physics.