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

question 83

Multiple Choice

Observing neutrinos from SN 1987A was a substantial part of the study of the supernova.Each statement about these neutrinos is true EXCEPT ONE.Which is the exception?

• A) The neutrinos arrived at Earth before the visible light.
• B) Neutrino detectors using Cerenkov radiation need not be pointed at their targets, so the neutrinos could be detected, even though we were not excepting them.
• C) Only neutrino detectors in the southern hemisphere were able to record the event since the Large Magellanic Cloud is only visible.
• 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.

---

Definitions:

Decentralized

The distribution of administrative powers or functions across various levels of organization or government, away from a central authority.

Interest Group Politics

The practice of advocacy and lobbying by organized groups to influence public policy and decision-making to benefit their members or causes.

Electoral Politics

The activities associated with seeking election to public office, including campaigning, debating, and voting.

Collective Action Problem

A situation where individuals in a group have difficulties in achieving their common or group goals due to conflicting self-interests.