Radio cosmologists from around the globe have been stuck to their sets for a considerable length of time to tune in to that one sound from some place in space which would demonstrate that an outsider life, adequately propelled, exists some place in our universe.
The key to the finding, the researchers said, is dark energy, a mysterious "force" that is accelerating the expansion of the Universe. He further added that just a small portion of the "baby universes" take birth so that they possess the adequate quantity of "dark energy", something that is required to support life. Any more would cause a rapid expansion leading to the breakdown of matter before life could be formed.
"The Multiverse was previously thought to explain the observed value of dark energy as a lottery - we have a lucky ticket and live in the Universe that forms handsome galaxies which permit life as we know it", said co-lead author Dr. Luke Barnes, a researcher at Western Sydney University and the University of Sydney.
A Masters student from the Durham's Institute for Computational Cosmology, Jaime Salcido said that the theory of multiverse indicates our universe to be just one among many others.
"Our simulations show even if there was much more dark energy - or even very little - then it would only have a minimal effect on star and planet formation, raising the prospect that life could exist throughout the multiverse". "This is a problem for the Multiverse; a puzzle remains".
"Even increasing dark energy many hundreds of times might not be enough to make a dead universe", added Pascal Elahi from University of Western Australia.
"Our work shows that our ticket seems a little too lucky, so to speak".
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However, the results were unexpected and could be problematic as they cast doubt on the ability of the theory of a Multiverse to explain the observed value of dark energy.
And their simulations were developed utilizing the EAGLE (Development and Assembly of Galaxies and their Environments) job, among the most reasonable programs mapping the observed universe.
Their findings are released in 2 associated documents in the journal Regular monthly Notifications of the Royal Astronomical Society. But given the levels of dark energy in our Universe, there is likely a natural law we have yet to discover. Salcido further said that the evolution of life forms depends on a few basic physical constants like "the quantity of dark energy and the strength of gravity". In their research, dark energy (opposite of gravity) appeared as a crucial factor.
We can't go beyond our own universe to find the lives of aliens, but this new knowledge of dark energy may adjust the way we look for ways in the future.
"I think we should be looking for a new law of physics to explain this unusual property of our Universe, and the Multiverse theory does little to rescue physicists' discomfort".
The research depicted that if humans would be live in a Multiverse then they should be observing near about fifty times higher dark energy that they are doing at the present.