Today I was talking with one of my friends, and she informed me of this theory that she learned in her astronomy class. It was actually more of a fact, I think she said, but I, myself, am not too sure about it.
Each star that we see in the sky is emitting light that was actually emitted millions of years ago. So the light that we see is from the past. The "theory" states that if we could find a way to travel faster than the speed of light, we would be traveling into the past. If the light from the star is traveling slower than we would be traveling to the star, would being right next to the star mean we were in the past? Or would it just be traveling extremely quickly, with no time travel?
I think it would only seem to be time travel if you were at the star and people on earth were looking at the star (and you) and it would be millions of years before they'd get to see you.
This is a really confusing concept, and it really doesn't have much to with our class discussion. Unless it's viewed from our ability to create technology advanced enough to travel faster than the speed of light and ultimately time travel. The friend i discussed this with said that the speed of light is currently our "speed limit", but what if we can travel so fast and so far that we could go backwards in time...?
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From this concept, to me it does not sound like time travel. You are just perceiving something earlier then others would. For example, if you went to that star and traveled faster then the speed of light, you would just see that star at an earlier stage then people back on earth.
ReplyDeleteThe real question would be if you traveled around earth faster then the speed of light, would you see the past or the future. Or would you just see the same thing as someone else in the same place. My thought is that you would see the same thing as that other person, at the same time.
The other way people talk about time travel, is through portals or worm holes. Like taking a linear time line and bending over itself and going to the other side where it would overlap. This is harder to grasp, but seems more logical to me.
Anyway, I don't really know the science on this, this is just my speculation.