Davis Constructs a Solar Neutrino Detector

Article abstract: Davis constructed a giant neutrino detector, which provided the first direct evidence that the sun runs on thermonuclear power, but saw so few neutrinos that standard solar models were questioned.

Summary of Event

In 1871, Hermann von Helmholtz suggested that no ordinary chemical reaction could be responsible for the enormous energy output of the sun. By the 1920’s, astrophysicists realized that the energy radiated by the sun must come from nuclear fusion, in which protons or nuclei combine to form larger nuclei and release energy....

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