Which of the following is least reasonable regarding Supernova 1987A. A) It occu

Question

Which of the following is least reasonable regarding Supernova 1987A.
A) It occurred around 170,000 light-years away in the neighboring galaxy known as the Large Magellanic Cloud.

It occurred in modern times and within easy reach of large telescopes.

C) It released a burst of neutrinos which were detected shortly after the visible light reached our telescopes.

D) Because the supernova occurred below the northern horizon, the neutrinos from SN1987A had to pass through the Earth before reaching the detectors.

E) Its parent star had been observed previously, so the supernova helped confirm our theories about stellar evolution.

Explanation / Answer

(C) because the supernova's neutrinoes were observed before visible light

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