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Extraterrestrial

The multiverse could be teeming with life

May 14, 2018 | Comment icon 36 comments



Could we be living in one of countless habitable universes ? Image Credit: CC BY-SA 3.0 Kuroiniisan
A new study has suggested that the multiverse may be a lot more hospitable to life than previously thought.
The idea that our universe may be only one of an infinite number of universes that exist within an overarching multiverse is something that has been gaining a lot of traction over the last few years.

Some scientists argue that the existence of the multiverse could help to explain the fact that our own universe should contain a lot more dark energy than it currently does.

Paradoxically, if our universe was to actually have more dark energy, matter would be diluted to such an extent that stars and planets would be unable to form.

Some universes, therefore, may have more dark energy and are unable to sustain life as we know it while others, like our own, have less but are home to the conditions that make life possible.

Now though, a new study has cast doubt on this idea by suggesting that these high dark energy universes may actually be just as habitable as our own.
"We asked ourselves how much dark energy can there be before life is impossible ?" said Pascal Elahi from the University of Western Australia. "Our simulations showed that the accelerated expansion driven by dark energy has hardly any impact on the birth of stars, and hence places for life to arise."

"Even increasing dark energy many hundreds of times might not be enough to make a dead universe."

If this is true, then it opens the door to countless universes teeming with alien life.

"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 beautiful galaxies which permit life as we know it," said Luke Barnes from Western Sydney University.

"Our work shows that our ticket seems a little too lucky, so to speak. It's more special than it needs to be for life. This is a problem for the multiverse; a puzzle remains."

Source: Independent | Comments (36)


Recent comments on this story
Comment icon #27 Posted by Truthseeker007 4 years ago
By the time you leave this Earth I promise you it will be proven. I can also promise you Jesus isn't coming back. So keep chasing that carrot for another 2,000 years.
Comment icon #28 Posted by psyche101 4 years ago
Why can't we ever be able to detect things like bubble collisions or gravitational effects on our Universe? 
Comment icon #29 Posted by khol 4 years ago
There are possible anomallies that point towards this https://www.telegraph.co.uk/science/2017/05/17/first-evidence-multiverse-scientists-think-cold-spot-space-could/  
Comment icon #30 Posted by StarMountainKid 4 years ago
What's wrong with scientists having ideas of possibilities? 
Comment icon #31 Posted by XenoFish 4 years ago
Feel free to laugh at this if you'd like, but here's a rather stupid idea I had.  What if all the galaxies we see are "universes" of their own. I mean quite literally. 
Comment icon #32 Posted by StarMountainKid 4 years ago
It seems to me less likely for just one universe to exist than for many universes to exist. I mean, just one unique universe appearing out of an infinite potential seems unlikely.  If there's a potential for one universe to come into existence, that same potential should continue to create many universes.
Comment icon #33 Posted by Noxasa 4 years ago
Just to be clear, much of science's foundations owes itself to the "Church" which promoted and paid for early scientific endeavors.  So science didn't really bring religion out of the dark ages, religion actually prop'd science up during the dark ages and, thus, they both brought each other out of the dark ages.  Science doesn't get ALL the credit.
Comment icon #34 Posted by Truthseeker007 4 years ago
Well you may be on to something because Georges Lemaître a Belgian Catholic Priest proposed what became known as the Big Bang theory. With that being said though that just shows that the church purposely try's to keep things hidden from their followers. If the church could still have full power of the world they certainly would enjoy that power. I sure don't see the church with the endless supply of money they have putting an end to world hunger. Maybe if they did what they preached the world would be a better place but they don't and as far as I can see the churches of this world are downrigh... [More]
Comment icon #35 Posted by WolfHawk 4 years ago
Maybe those multiverses had/have no need for a "Jesus" per say. Perhaps there was no "Adam and Eve" that "fell from grace." Perhaps OUR 'verse is an experiment for "religion." Another 'verse out there may be an experiment for something else.
Comment icon #36 Posted by Truthseeker007 4 years ago
I think you are on to something on that.


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