Riotgear: that's debatable, since you'd have to define an absolute point of reference for the universe to revolve around while you were doing that.
READ A BOOK, IT'S MAGICAL.
Which part is debatable? That time travel isn't possible? That's what I was saying.
It's call progressive expansion. It's happening all the time. And any point of reference is by definition absolute. The problem is EVERYTHING would either have to progress forward in time with you for you to end up in the future, or everything would have to turn backward for you to arrive at your destination were you to travel back.
Otherwise, being that space consists mostly of empty space, there is a very good chance you'd pop yourself right out into outerspace. Universe and it's bodies progressing as they have. Then whether you've traveled forward or back becomes a moot point don't you think?
It's called a paradox. I read about it in a book. more of a pamphlet actually..
Read a flyer. It's somewhat interesting.