Have We Seen Signs of Another Universe Colliding with Ours?

Cosmology  

New data from the European Space Agency’s Planck telescope could be giving us our first glimpse of another universe, with different physics, colliding with our own.

According to a newly published paper, we may have recently glimpsed another universe. Analysis of data from the European Space Agency’s Planck telescope seems to suggest that an anomalous glow out in deep space could well originate from a separate universe residing just next to ours.

Multiverse theory has long been postulated. Pursuant to the theory, if many universes were created at the Big Bang, then they are all probably next to each other, vibrating. If these universes touch one another, the collision would leave some sort of evidence.



Caltech cosmologist Ranga-Ram Chary compared the  cosmic microwave background (CMB) with a picture of the entire night sky also taken by the Planck telescope, and found a weird patch of bright light that could be the result of universes colliding as has been published in the research paper.

"We find convincing evidence for residual excess emission in the 143 GHz band in the direction of CMB cold spots which is well correlated with corresponding emission at 100 GHz," Chary writes.

The data suggests that the other universe rubbing up against ours would look very different than anything we’re used to and would have hit our universe just a few hundred thousand years after the Big Bang.

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A multiverse would be the consequence of cosmic inflation — the idea that the universe is constantly expanding. The eternal inflation would produce “a number of pocket universes,” Alan Guth, an MIT cosmologist and pioneer of the multiverse theory, told New Scientist.

Hidden energy in empty spaces would drive inflation forward at an intense speed, creating new bubbles of energy that could eventually blow up into smaller pocket universes that continue to expand.

The biggest problem studying these other universes is that the bubbles would be constantly expanding, as would the space between them. Light wouldn’t be traveling fast enough to carry much information from one to another. In order to actually observe physical properties, astronomers would have to wait for collisions or look for other evidence.

That is the reason why this new data is so special. If our universe has bumped into another one, it would probably create an anomalous light signature, just what Chary may have found. The newly observed spots are 4,500 times brighter than what conventional theory predicts they should be. One explanation could be that the other universe is gushing with protons and electrons, making the light from the collision much brighter.

Chary admits that his idea is as tentative as it is exciting. “Unusual claims like evidence for alternate universes require a very high burden of proof,” he writes.

SOURCE  New Scientist

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