Cosmic Persp: Stars&mstg&et&skygazer 5.0 Pkg
Cosmic Persp: Stars&mstg&et&skygazer 5.0 Pkg
1st Edition
ISBN: 9780134587394
Author: Bennett
Publisher: Pearson Education
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Chapter 1, Problem 25EAP

The star Betelgeuse is about 600 light-years away. If it explodes tonight, (a) we’ll know because it will be brighter than the full Moon in the sky. (b) we’ll know because debris from the explosion will rain down on us from space. (c) we won’t know about it until about 600 years from now.

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Cosmic Persp: Stars&mstg&et&skygazer 5.0 Pkg

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