Neutrino astronomy
= Neutrino astronomy
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<Neutrino astronomy> infers properties of astronomical sources from detected <neutrino> reactions. <Solar neutrino detection> probes ongoing <stellar nuclear fusion>; the <SN 1987A neutrino burst> probes a brief episode of <core-collapse supernova> evolution. A detector observes reaction products, so source inference depends on <cross sections>, <neutrino flavor>, thresholds and <detection efficiency>.