Well , my question was, What if universe was a loop.
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If you got into a spaceship, and traveled long enough and fast enough, could you eventually loop back to where you started? Assuming you don’t accidentally collide with another planet or star, and that no black hole swallows you along the way.
We don’t know much about the Universe. We have no idea how big it is, or where it starts or ends. We don’t even know if it does end.
For years, scientists thought that the Universe was flat, like a piece of paper. And that if you kept traveling in a straight line through space, you’d just sail off into infinity.
But a new study of the cosmic microwave background, or CMB, might have just ruined everything we thought we knew about the Universe and its shape. What’s in it for you? Well, if the Universe is a loop, it would mean that a kind of time travel might just be possible.
Before we move on to the time travel, let’s get the theory out of the way. I’ll start with Albert Einstein’s theory of relativity.
Einstein predicted that space could bend in different ways, meaning the Universe could be flat, or curved, or closed. The flat universe was the most likely shape of all.
And by that, I mean that it fit our current understanding of physics. But then researchers found something strange in the cosmic microwave background.
Figuring out the shape of the Universe isn’t an easy task. We’ve never sent a single space probe to the outermost reaches of our Universe. We don’t even have any spacecraft that could possibly go that far. And this is where the CMB comes in handy — the cosmic microwave background.
Answer: I don't no
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