Supernova SN1987A was first visible at Earth in 1987. (a) How many years B.P. (before present) did

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Supernova SN1987A was first visible at Earth in 1987.

(a) How many years B.P. (before present) did the explosion occur?

(b) If protons with 100 GeV of kinetic energy were produced in the event, when should they arrive at Earth?

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Modern Physics

ISBN: 9781429250788

6th Edition

Authors: Paul A. Tipler, Ralph Llewellyn

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Question Posted: Feb 17, 2023 08:21 AM

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Supernova SN1987A was first visible at Earth in 1987. (a) How many years B.P. (before present) did

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SN1987A is the Large Magellanic cloud which is 170000cy ...View the full answer

Modern Physics

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