Neutron stars are strong neutrinos emitters.\u00a0 The
\n\t\t\t\tpower radiated by a neutron star as neutrinos far outstrips
\n\t\t\t\tthe power radiated as x-rays from the photosphere.\u00a0 Three
\n\t\t\t\tprocesses are responsible for generating the neutrinos:\u00a0the
\n\t\t\t\tdirect Urca process, the modified Urca process, and the
\n\t\t\t\tneutrino bremsstrahlung process.\u00a0 The first process is rapid;
\n\t\t\t\tit\u00a0 operates at the cores of the most massive neutron
\n\t\t\t\tstars.\u00a0 The remaining-two processes, which operate throughout
\n\t\t\t\ta neutrons star, cool the neutron star more slowly.\u00a0 The
\n\t\t\t\tneutrino emission cools a neutron star in only 100,000 years.<\/p>\n","protected":false},"excerpt":{"rendered":"
Neutron stars are strong neutrinos emitters.\u00a0 The power radiated by a neutron star as neutrinos far outstrips the power radiated as x-rays from the photosphere.\u00a0 Three processes are responsible for generating the neutrinos:\u00a0the direct Urca process, the modified Urca process, … Continue reading