Question

What is Time travel possible?
Today we write about some physics theory's related from Time travel.
Sir Albert Eistine theory of relativity says gravaty bend the time, Suppose we travel in a universe the speed of light. Suppose we inside this spacecraft , Spacecraft inside time is slow, compare to earth time. This theory show ,speed bend the time.

What you think about time travel theory? Answer give me.
Thanks
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Answer 1

Answer:

Time travel to the past is theoretically possible in certain general relativity spacetime geometries that permit traveling faster than the speed of light, such as cosmic strings, traversable wormholes, and Alcubierre drives