3 ms·

OK, thanks. So the early arrival of the neutrinos is entirely the result of EM radiation being absorbed within the star and re-emitted, while the neutrinos can

OK, thanks. So the early arrival of the neutrinos is entirely the result of EM radiation being absorbed within the star and re-emitted, while the neutrinos can pass straight through. I wondered if that was the explanation.

chongli 3y ago
Yes. This same phenomenon is how we study gamma ray bursts. The neutrinos are detected early enough that the gamma ray detecting satellites have time to be pointed at the source. Otherwise they would be far too brief to observe!