Glimpse at early universe finds expansion slowdown | Science News



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Glimpse at early universe finds expansion slowdown

BOSS project looks at acceleration rate before dark energy hit the gas

10:08pm, November 20, 2012

New measurements have captured the universe’s expansion when it was slowing down 11 billion years ago, before a mysterious entity called dark energy took over and began spurring the cosmos to expand faster and faster. The measurements, reported online November 12 at, are an important step toward understanding what dark energy is and how it works.

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