Cosmic expansion could soon reverse - New Style Motorsport

After nearly 13.8 billion years of uninterrupted expansion, the universe could soon come to a stop and then begin slowly contracting, according to new research published in the journal. Proceedings of the National Academy of Sciences suggests.

In the new article, three scientists attempt to model the nature of dark energy – a mysterious force that appears to be causing the universe to expand faster and faster – based on past observations of cosmic expansion. In the team’s model, dark energy is not a constant force of nature, but rather an entity called quintessence, which can decay over time.

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