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Anonymous users2024-02-07Question 1: Because A is faster than the light emitted by itself, B has no light and cannot be reflected until A arrives. Only after A arrives, B has light to reflect, but the reflected light must be reversed in time.
Answer question 2: This question is not good, according to common sense, A left the earth in 2000 and took 13 years to reach Vega, and it took 26 years for light to be reflected back, which should be 2039, but according to Einstein's theory of relativity, the speed of motion of an object reaches the speed of light, time will stop, the speed will exceed the speed of light, time will go backwards, because A is twice the luminosity, time has been reversed, and when A reaches Vega, the time on A should be 1987 years back to Earth time. Therefore, the result would be that earthlings will only receive the light reflected back from the mirror until 2039, but from the analysis of the information in the light, when A arrived at Vega, the time on A was 1987.
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Anonymous users2024-02-061.As we get closer to the speed of light, time changes more slowly. (You're driving on the highway, other cars are faster than you, you see the car going forward, and when you chase him, you see his car seems to be getting slower and slower).
2.When the speed of light is reached, it is at the speed of light, then time stops, (you drive on the highway, you are driving at the same speed as him, all you see is that the car is not moving).
3.When the speed of light is exceeded, time is about to turn back. (You're driving on the highway, you're overtaking him, and all you see is the car going backwards, right?)
If people want to study ancient times, they must be faster than light, because the light emitted by the earth has already traveled far at that time, so it must achieve faster than light to catch up with it. Of course, the problems left to us by nature will not be solved all at once, so let's wait for the inventor to be born!
Word by word, look).
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Anonymous users2024-02-05Your hypothesis is beyond the hypothetical basis of general relativity, and there is no way to answer it for you.
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Anonymous users2024-02-04There are no absolutes, and the mysteries of the universe are still to be explored.
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Anonymous users2024-02-03No speed can exceed the speed of light, otherwise there would be no black holes.
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Anonymous users2024-02-02I also want to know that in fact the speed of light is the limit of speed.
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Anonymous users2024-02-01Yes, as long as you can really exceed the speed of light.
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Anonymous users2024-01-31Is it really possible to go back in time faster than the speed of light?
According to Einstein's theory of relativity, time slows down when moving at a speed close to the speed of light. That is, when moving at the speed of light, time stops in the eyes of a relatively stationary person. So some people come to the conclusion from this that when moving faster than the speed of light, time goes backwards. >>>More
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Physicist Albert Einstein mentioned this assumption in his theory of relativity, as for the theory of relativity, you can simply understand it as "the moving ruler becomes longer, the moving clock becomes slower", that is, to see that the fast-moving ruler becomes longer, the fast-moving clock slows down, when a person has been moving at a very fast speed, the time in the space he is in will slow down relative to the outside world, of course, this change is minimal, imagine that if a person can move at the speed of light, the interior time of the space he is in is very fast relative to the outside world, Then his time slows down, and he can see that everyone else is old, and he is still young. This is just an assumption, no aircraft can reach the speed of light at present, and it is even more impossible to exceed the speed of light, maybe one day, with this kind of "plane" that exceeds the speed of light and can even move in the negative direction of the time axis, we will be able to take it to see our deceased relatives. Hehe.
Walk-to-earn software is real, such as:Ping An good doctor, step a lot, etc., but at most two dollars a month, you have to walk 20,000 steps a day, which is relatively not very meaningful. >>>More
Keep in touch, but remember that you have to make sure your defenders don't know that you're on the ball and shoot. >>>More