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We are all living in a directionless universe


Posted on Monday, 26 September, 2016 | Comment icon 11 comments

It remains highly likely that the universe is indeed directionless in nature. Image Credit: NASA/ESA
A new study has revealed that, in all likelihood, the universe is expanding equally in all directions.
This conclusion was reached by scientists from two universities in London who used maps of the cosmic microwave background radiation to study the way in which this leftover thermal radiation from the time of the Big Bang is distributed throughout the universe.

The researchers found that when viewed up close, smaller regions of the cosmos appear highly disorganized, but when viewed from afar, the universe appears uniform the whole way across.
There were signs of some fluctuations in the background radiation, anomalies that could indicate that the universe is expanding more in one direction than the other, but this appears unlikely.

The team concluded that there is a mere 1 in 121,000 chance that the observable universe - all 93 billion light years of it - is not entirely uniform.

"This work is important because it tests one of the fundamental assumptions on which almost all cosmological calculations are based - that the universe is the same in every direction," said study co-author Stephen Feeney. "If this assumption is wrong, and our universe spins or stretches in one direction more than another, we'd have to rethink our basic picture of the universe."

Source: IB Times | Comments (11)

Tags: Universe, Expansion

Recent comments on this story
Comment icon #2 Posted by josellama2000 on 27 September, 2016, 3:37
agreed Sundew. Gravity and relative speed modify the symmetry or geometry of the universe. The Event Horizon is not a symmetric hyper-sphere, for example we may have something really close that is beyond the horizon because of its relative velocity (higher than c) or huge gravity(black holes). Of course, that at macro scale, it seen that, in average, expansion is uniform. 
Comment icon #3 Posted by Sundew on 27 September, 2016, 13:59
I don't think we will ever see to the edge of universe, if such an edge exists, because it probably lies well beyond the distance that light has traced since the universe began. We are blind to anything beyond that distance and always will be, the universe could be hundreds of times bigger than what we observe but we will never know, except by inference; direct observation is impossible. And even that which we can see that lies at the outer limits of distance is limited, the resolution of galaxies at 15 billion or so light years away looks like a fuzzy blob of red light from what I have seen s... [More]
Comment icon #4 Posted by paperdyer on 27 September, 2016, 14:56
I agree Sundew, but that sort of brings up the argument by some "theorists" that we are living in a hologram or a "Matrix".
Comment icon #5 Posted by Dark_Grey on 27 September, 2016, 15:17
So have they identified the "center" of the Universe, or the place where the Big Bang occurred and started expanding outwards?
Comment icon #6 Posted by josellama2000 on 28 September, 2016, 0:38
yes, dark_grey. It happen everywhere 13.799E9 years ago. Everywhere after the beginning was a single point.
Comment icon #7 Posted by josellama2000 on 28 September, 2016, 0:44
Yes paperdyer. We should not confuse holographic with virtual. Holographic is used to explain how object or properties in lower dimensions affect affect our universe.  The first one who came with the cosmological idea of a virtual universe was Paul Davis. Since then, they have been lots of signs that support that hypothesis. The building cubes in the compactification geometry of the universe is one of these signs.  
Comment icon #8 Posted by josellama2000 on 28 September, 2016, 0:48
The funny thing is that the everybody has his/her own universe, that is different (at some really small degree). If you speed up in a rocket, the geometry of your universe will change, In theory, by doing so, you may be allowed to reach (see or visit) distances, places, or epochs that we out of reach before, This is something similar to perception(which happens in the mind) but at physical level. When astronomers look for emission from the surrounds of black holes, they are looking really close to the edges of the universe. 
Comment icon #9 Posted by Sundew on 28 September, 2016, 19:29
I have heard that as well: someone had stated (and I can't remember who) that the universe IS expanding BUT NOT like stretching a rubber band, rather it seems to be expanding in mathematical increments, almost digitally. Now that could be a bunch of who-ha, I would have no idea, but if so, that's pretty interesting to say the least. 
Comment icon #10 Posted by Sundew on 28 September, 2016, 19:32
I've heard that no two people view the same rainbow, but for all practical purposes, until we leave our solar system we all have pretty much the same view at the scale we are taking about. 
Comment icon #11 Posted by Mark56 on 2 October, 2016, 4:04
What I want to know is, what are we expanding into?


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