We could be living in a multiverse with alien neighbours, suggests study


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 study is an outcome of a team of researchers from- Australia's University of Sydney, Western Sydney University, the University of Western Australia, and Durham University, UK.

Theories regarding dark energy that have been proposed previously suggest that our universe has the "perfect amount" of dark energy - a force which acts against gravity and is responsible for making the cosmos expand at an accelerated rate.

Using massive computer simulations of the cosmos, the researchers discovered that the addition of dark energy (as much as a few hundred times the amount that is observed in our Universe) would have a significant impact on planet and star formation.

Cosmologists from the Durham University in the United Kingdom and Australia's University of Sydney, Western Sydney University, and the University of Western Australia used huge computer simulations of our observed universe to examine how different levels of dark energy might affect the development of life.

Study co-author Jaime Salcido, a researcher at Durham University's Institute for Computational Cosmology, said: "For many physicists, the unexplained but seemingly special amount of dark energy in our universe is a frustrating puzzle". However, the likelihood that we'd even be able to expand beyond our own universe is extremely low - leading many to hope that we'll eventually discover alien life a little closer to home.

"We asked ourselves how much dark energy can there be before life is impossible?".

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"I think we should look for a new physical law to explain this odd characteristic of our universe, and the theory of multiverses has little effect on the discomfort of saving physicists".

Although the results do not rule out the Multiverse, it seems that the tiny amount of dark energy in our Universe would be better explained by an, as yet, undiscovered law of nature.

The findings of the research team have been published in two related papers in the monthly bulletin of the Royal Astronomical Society. And they find out that Dark energy plays an important role to form such conditions. In their research, dark energy (opposite of gravity) appeared as a crucial factor.

"I think we should be looking for a new law of physics to explain this odd property of our Universe, and the Multiverse theory does little to rescue physicists' discomfort".

The concept of our universe being one among many others has interested many scientists to debate on it.

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.