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But is it theoretically even possible to time travel?

In the original 1978 Superman film, Superman goes back in time by flying around the globe faster than the speed of light. This is incredibly fast – the speed of light is just under 300,000 km per second!

So far, we have not come even close to this speed, the fastest man-made object, a space probe, traveled at just 150 km per second.

Given the right technological advancements, is it theoretically possible for us to travel faster than the speed of light, and thus, like superman, travel in time?

All the experts agreed that it is not possible to travel faster than the speed of light, this is also specified in Einstein's theory.

Dr Eric Tittley, an expert in astronomy and astrophysics from the University of Edinburgh, explains, "It is clear that no object or information can travel faster than the speed of light. It is not a question of not having enough energy to push it that fast. From an external perspective, any extra energy added to a body to get it to and past the speed of light just asymptotically accelerates it to the speed of light."

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