Which observation has provided the MOST direct evidence that Type II supernovae are caused by the collapse of the core of a massive star?

Question

Quizplus · Accepted Answer

The detection of neutrinos from supernova 1987A provided the most direct evidence that Type II supernovae are caused by the collapse of the core of a massive star. Neutrinos are produced in vast quantities during the core collapse, and their detection from a supernova event directly supports the core-collapse model.

Which Observation Has Provided the MOST Direct Evidence That Type