Waves from the birth of time

Scientists find traces of the first growth spurt of the universe

By Stephen Ornes, 16:16 PM March 21, 2014

On March 17, scientists reported finding the earliest echoes of the Big Bang. The long-sought evidence supports the idea that the universe inflated in a flash. A scientific theory, called inflation, held that during the first trillionth of a trillionth of a trillionth of a second after the Big Bang, the universe grew outward faster than the speed of light. It soon stretched out farther than any telescope can see.


Cosmologists are astronomers who study the early universe. They first introduced...

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