What was the effective "neutrino energy luminosity" (energy carried away by neutrinos) of the SN 1987A supernova for a few seconds following the explosion compared to relatively well-known electromagnetic luminosities?
A) 1 million times greater than that of the observable universe
B) 10 times greater than the total observable universe
C) 10 times greater than the total output of the stars in our galaxy
D) 1 million times greater than the luminosity of the Sun
Correct Answer:
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