Wormholes may have already been observed in the Universe

The wormholes they are objects foreseen in astrophysical theories which should connect two regions of space-time and which could constitute “shortcuts” between two very distant areas.

Science fiction has largely taken up this idea to imagine interplanetary travel at superluminal speeds or time travel. There would be different types of wormholes (impassable, viable in one direction or both directions) and they are generally associated with black holes and an outgoing counterpart: white holes.

Wormholes are one possible consequence of Einstein’s theory of the equations of general relativity and an unfrozen spacetime that can bend and interconnect to form shortcuts.

Aren’t wormholes that different from black holes?

According to some theories, the holes would engulf matter on one side and release it on the other side of the wormhole via a white hole. Is the amount of information encoded in the input material retained in the output? This is one of many questions whose answer may one day allow us to imagine very distant journeys that would otherwise take millions or billions of years even at the speed of light.

The scientists of theSofia University (Bulgaria) attempted to model such wormholes, in particular as regards the electromagnetic radiation of the particles at their entrance, imagining them as rings of magnetized fluid.

The particular behavior of the particles as they approach could serve as a signature, and the researchers suggest from their modeling that wormholes could in some cases closely resemble black holes, with very similar polarization profiles.

Wormholes already observed without knowing it?

In fact, wormholes could therefore have been observed in the Universe, thus leaving the purely theoretical field, but confused with a normal black hole, they explain in their study published in the journal Physical review D.


M87* black hole…or entrance to a wormhole?

The team even suggests that the black hole at the center of our galaxy, Sagittarius A*it could in fact be the entrance to a wormhole, as well as the black hole M87* of the galaxy Messier 87, observed in 2019 by the Event Horizon Telescope.

This theory has already been discussed before several years ago. It obviously remains very difficult to validate it at present and it will probably take some time before we can even verify the hypothesis of the existence of wormholes with a magnetic signature very close to that of black holes.

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