Could we use wormholes for space travel? New study explains

A new theory has attempted to explain whether wormholes, a theoretical connection of two separate points in space-time, can be used as a viable solution for future human space travel.

But what exactly are wormholes?

Discovered by the legendary Jewish physicist Albert Einstein and the American-Israeli physicist Nathan Rosen, who coined it as the term “Einstein-Rosen bridge,” a wormhole is a hypothetical passage through space-time that allows rapid travel and instantaneous between two distant points in space-time.

Although these wormholes have never been observed, they are compatible with Einstein’s theory of general relativity.

Before a new study by physicist Pascal Koiran, it was widely believed that a theoretical exotic form of matter would be needed to keep a wormhole open, as it would quickly disappear after its creation without a force preventing it from closing.

Now a study, published in the scientific journal arXiv in October, he proposed that wormholes could be more stable than previously thought.

Albert Einstein (credit: PIXABAY)

Koiran proposes to analyze wormholes using not the popular Schwartzchild metric that is commonly used to analyze black holes, but the Eddington-Finkelstein metric.

The study found that using the metric, a particle could be documented crossing the event horizon at the entrance to the wormhole, traversing it, and reaching the other side in a finite amount of time.

That means that the path of a particle passing through a hypothetical wormhole could be more easily traced using the Eddington-Finkelstein metric.

If particles can pass through a wormhole and reach the other side unharmed, perhaps one day humans will be able to travel through a wormhole and reach points in space-time that are currently unreachable using current forms of space travel.

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