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4 - Going Gently into That Good Night

Published online by Cambridge University Press:  25 November 2019

Luke A. Barnes  and
Geraint F. Lewis
Luke A. Barnes
Affiliation:
Western Sydney University
Geraint F. Lewis
Affiliation:
Sydney Institute for Astronomy
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Summary

The farther we look, the more slowly the light from exploding stars (supernovae) fades. This tells us that the expansion of space affects even light, which arrives at Earth more spread out.

Keywords

sciencephysicsastronomycosmologybig bangspacegalaxiessupernovaetime dilation
Type
Chapter
Information
The Cosmic Revolutionary's Handbook
(Or: How to Beat the Big Bang)
 , pp. 78 - 100
Publisher: Cambridge University Press
Print publication year: 2020

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