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# If you were moving at the speed of light and looked behind you what would you see?

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You cannot travel at the speed of light.
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If you were moving at the speed of light and looked behind you a few things could possibly happen. 1st after the flash of light that was traveling with you showing what was behind you all you would see is black, because no new light would reach your eyes 2nd you might see tiny pixles of colered light in a background of light, because light on a diagonal path comapaired to your would intercept your eyes at a certain point in time. I have heard some people say that you would see afrozen frame but I think after the light hits your eyes the energy in it is used.
A more interesting question may be what would happen if you went a little faster and looked ahead what would it look like as you cought up with light that was already moving?!  AlternateMost people know that accelerating to light speed is not possible, but we can consider the question as speculation, or as a kind of 'thought experiment' in order to illustrate some of the relativistic effects of travel at or near c. Have you ever seen a science fiction program/movie where the storytellers wanted you to get that time has stopped for a few people in the scene? People will be projected as if they are frozen in time; as if they are fixed in a kind of time-dependent plexi-glass. This isn't precisely what would happen to you if you accelerate to light speed (which is actually impossible) but it is reasonably close to what happens. [To observers on earth, you would look more like an infinitely thin pancake. Honest.] At the speed of light, all time would completely stop for you. It would not be possible for you to turn, or 'look', or 'do' anything at all. If you were a photon traveling through space toward earth for 10 million earth years, when you arrived it would seem to you that the trip was instantaneous.

You would"NT see anything as you will close your eyes when travelling at such a speed.
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yes they do

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