The star explodes. Neutrinos tell us first.
SN 1987A delivered the only non‑solar astronomical neutrinos ever measured. It erupted in the Large Magellanic Cloud.Supernova: The Neutrino Early Warning
A ten‑second flood
During core collapse, a brief neutrino burst carries most of the event’s energy. These particles slip through gas and dust with ease.Supernova: The Neutrino Early Warning
