The solar neutrino problem was a major discrepancy between measurements of the numbers of neutrinos flowing through the Earth and theoretical models of the solar interior, lasting from the mid-1960s to about 2002. The discrepancy has since been resolved by new understanding of neutrino physics, requiring a modification of the Standard Model of particle physics – specifically, neutrino oscillation. Essentially, as neutrinos have mass, they can change from the type that had been expected to be produced in the Sun's interior into two types that would not be caught by the detectors in use at the time.
Read more about Solar Neutrino Problem: Introduction, Measurements, Resolution
Famous quotes containing the words solar and/or problem:
“Lincoln becomes the American solar myth, the chief butt of American credulity and sentimentality.”
—H.L. (Henry Lewis)
“Congress seems drugged and inert most of the time. ...Its idea of meeting a problem is to hold hearings or, in extreme cases, to appoint a commission.”
—Shirley Chisholm (b. 1924)