Question

What is a space time paradox​

Answer 1

Explanation:

A causal loop is a paradox of time travel that occurs when a future event is the cause of a past event, which in turn is the cause of the future event. Both events then exist in spacetime, but their origin cannot be determined. A causal loop may involve an event, a person or object, or information.

Answer 2

Answer:

he is a time traveler .....