Question

Is hyperspace only fictitious?

Answer 1

Answer:

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Hyperspace is a notion from science fiction of a superluminal method of travel. ... Hyperspace is a part of the universe where time can be traveled just like normal space's distance...

Answer 2

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Hyperspace is a notional space–time continuum in which it is possible to travel faster than light.

Hyperspace is described as an alternative "sub-region" of space which may be entered using an energy field.

Yes,it's fictitious.