PARIS — New results from a look into the split second after the Big Bang indicate the universe is 80 million years older than previously thought but the core concepts of the cosmos — how it began, what it’s made of and where it’s going — seem to be on the right track.
The findings released Thursday bolster a key theory called inflation, which says the universe burst from subatomic size to its now-observable expanse in a fraction of a second.
The Big Bang is the most comprehensive theory of the universe’s beginning. It says the visible portion of the universe was smaller than an atom when, in a split second, it exploded, cooled and expanded rapidly, much faster than the speed of light.
The European Space Agency’s Planck space probe looked back at the afterglow of the Big Bang, and those results have now added about 80 million years…
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