From the Editor's Desk

How the cosmic microwave background proves the Big Bang

Less than a century ago, we had many different ideas for what the history of our Universe looked like, but shockingly little evidence available to decide the issue. Hypotheses included suggestions that our Universe:

That last example corresponds to what we know today as the hot Big Bang, while all the other challengers (including newer ones not mentioned here) have fallen by the wayside. Since the mid-1960s, in fact, no other explanation has held up to the observations. Why is that? That’s the inquiry of Roger Brewis, who would like some information about the following:

Continued here

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