The theory that the collapse of a massive star's iron core produces neutrinos was supported by
A)the size and structure of the Crab nebula.
B)laboratory measurements of the mass of the neutrino.
C)the brightening of supernovae a few days after they are first visible.
D)underground counts from solar neutrinos.
E)the detection of neutrinos from the supernova of 1987.

Question

Quizplus · Accepted Answer

The detection of neutrinos from the supernova of 1987 provided direct evidence that massive stars produce neutrinos during the collapse of their iron cores.

The Theory That the Collapse of a Massive Star's Iron