Question

If the universe is expanding then what is it expanding into??
if time travel is possible then where are the visitors from the future???
no copied answers ​

Answer 1

Answer:

1. The universe is everything, so it isn't expanding into anything. It's just expanding. All of the galaxies in the universe are moving away from each other, and every region of space is being stretched, but there's no center they're expanding from and no outer edge to expand into anything else.

Answer 2

there is no end for this universe

it loops itself into it

it is hard to understand, but one day we will find it

and time travel

if they have any technology to hide themselves and be present in this world without being present

even it is hard to think