Cosmic expansion could soon reverse

An artist’s impression of star formation in the early universe, several hundred million years after the Big Bang. (Image credit: NASA)

After nearly 13.8 billion years of nonstop expansion, the universe may soon come to a standstill, then slowly begin to contract, new research published in the journal Proceedings of the National Academy of Sciences suggests.

In the new paper, three scientists attempt to model the nature of dark energy – a mysterious force that appears to be causing the universe to expand faster than ever – based on previous observations of expansion. of the universe. In the group’s model, dark energy is not an immutable force of nature, but an entity called an elite, which can decay over time.

https://www.space.com/end-cosmic-expansion Cosmic expansion could soon reverse

Russell Falcon

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