The Conversation

The CMB: how an accidental discovery became the key to understanding the universe

Author: The Conversation

Lucky find.NASA/wikimedia

Fifty years ago, Bob Dylan had only just gone electric, mankind had yet to take its great leap and many people thought the Big Bang was something that happened when you burst a Big Balloon.

But in July 1965, Arno Penzias and Robert Wilson made a discovery that would cement our understanding of how the universe came into...

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