Wormholes might be more stable than previously predicted, according to a new study, that found they could be used to transport spacecraft across the universe.
Also known as an Einstein-Rosen Bridge, the theoretical interstellar phenomenon works by tunnelling between two distant points in space - like a worm hole.
These portals between black holes were once thought to instantly collapse once forming, unless an unknown for of exotic matter could be deployed as a stabiliser.
However, a new study by physicist Pascal Koiran, from the École normale supérieure de Lyon, in France, looked at them using a different set of techniques.
He found that a particle could be documented crossing the event horizon into the wormhole, go through it and reach the other side in a finite amount of time.
If a particle can traverse a wormhole safely, humans may be able to take a spacecraft through and reach a distant planet in a galaxy far, far away, Koiran suggests.
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