February 10th, 2016
Waxing Crescent Moon
Robert Bigelow

Neutrinos and Supernova 1987A

Twenty-three years ago, on 23 February 1987 at 12:35 a.m. MST, detectors in the US, Japan and Russia observed a burst of 24 neutrinos. They came from a supernova in the Large Magellanic Cloud, a small satellite galaxy to the…