Scientists create the coldest substance in the universe in a lab

An illustration shows trapped ytterbium atoms cooled to temperatures about 3 billion times colder than deep space
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A team of researchers has cooled matter to a billionth of absolute zero degrees, far cooler than any star, even in the deepest depths of space.

Interstellar space never gets this cold due to the fact that it is evenly filled. cosmic microwave background (CMB) is a form of radiation left over from an event that occurred shortly after the event. Big Bang When Universe was in its infancy. The cooled matter is even colder than the coldest known region of space. Boomerang Nebula3,000 in light years From Earth, which has a temperature just one degree above absolute zero.

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