Scientists suggest our universe is merging with ‘baby universes’ as possible theory of expansion

Astronomers have proposed a brand new theory to suggest why our universe is increasing at an accelerating price. 

That our universe is increasing, is in large settlement, although how precisely that course of occurs is not as effectively understood. Scientists consider that an elusive substance known as “darkish power” is answerable for driving the expansion.

But the very existence of darkish matter is solely ever mentioned within the context of an increasing universe, main some to query whether or not there are different causes of expansion. 

A star-forming area of ionised hydrogen gasoline within the Large Magellanic Cloud, a small galaxy which neighbours the Milky Way. (NASA/ESA)

A examine printed within the Journal of Cosmology and Astroparticle Physics, proposed that the universe’s expansion is pushed by merging with smaller, “baby” universes. 

The examine’s lead writer, Jan Ambjørn, advised LiveScience that the examine’s essential discovering, was that the “accelerated expansion of our universe, caused by the mysterious dark energy, might have a simple intuitive explanation, the merging with so-called baby universes, and that a model for this might fit data better than the standard cosmological model.” 

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The “Standard Cosmological Model,” is the principle theory of cosmic evolution, that the universe started with the Big Bang, went by means of a near-exponential inflation at early instances, and has been increasing ever since. 

While the newest examine is in no way the primary to suggest the concept of a number of universes, it presents a mathematical mannequin to indicate how merging with different, smaller universes would possibly broaden our universe. 

The peculiar galaxy NGC 3256 dominates this picture from the NASA/ESA/CSA James Webb Space Telescope.  (Credit: ESA/Webb, NASA & CSA, L. Armus, A. Evans)

By quantifying the speed of expansion, their calculations extra carefully aligned with observations of the universe than the Standard Cosmological Model. 

The researchers additionally instructed that early cosmological inflation – the fast, speedy expansion of our universe after the Big Bang – could have been brought on by our younger universe colliding with a bigger universe. 

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They proposed that after this possible absorption, it is possible that our, now-larger universe carried on to collide with and take up different “baby” universes.