Observing Neutrinos from SN 1987A Was a Substantial Part of the Study

question 169

Multiple Choice

Observing neutrinos from SN 1987A was a substantial part of the study of the supernova. Which of these statements about these neutrinos is NOT true?

• A) The neutrinos arrived at Earth before the visible light.
• B) Neutrino detectors using Cherenkov radiation need not be pointed at their targets, so the neutrinos could be detected even though they were unexpected.
• C) Only neutrino detectors in the southern hemisphere were able to record the event since the Large Magellanic Cloud is only visible in the southern hemisphere.
• D) The discovery of neutrinos from SN 1987A provided strong support for the theory that supernovae are caused by the collapse of a star's core.

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