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Originally Posted by Mike33
I've never studied Einstein or his theories but I know about the time travel one where supposedly if you travel fast enough time doesn't pass by as fast. Anybody understand this theory and can explain it in laymens terms?
What difference does it make how fast you travel, time still clicks the same for you. You just reach your destination faster.
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Time is relative depending upon your position within it.
IE: If you travel from earth to a planet that takes 10 years at the speed of light. You will only age 10 years from the perspective of your place in time.
However, because space and distance decrease in accordance to speed. Although you perspective of the passage of time for you is normal. To an observer still on earth the passage of YOUR time can be drastically different and vice versa.
Therefore the passage of time is subjective and depends on where it is being perceived.
Modern telescopes use this principle to a certain extent. The futher you look into space the further you look down the timeline. This is how we are able to see evidence of the BIG BANG.