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Thread: Time Decreased????

  1. #1 Time Decreased???? 
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    Please anybody can tell me that in space in any situation, is time can decreased of back calculating?any reason or science please. I just want to say that I hear something like that when we moving in space in a very high speed it can be possible that we are backward in time in respect to earth.that means in earth suppose it is one year but in space we calculate that we are in 3 or 4 months just.


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  3. #2  
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    Can you organize your wording a little better? I'm not sure what exactly your are asking.


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    Forum Ph.D. Steve Miller's Avatar
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    As far as I understand you are asking if time can be running slower or backwards while moving very fast in space.

    I think the answer is NO. Time was not related to such motion. Same would be if time changes while driving a car compared to riding a horse or there like. This was not the case. Never.

    There are no such entanglements.

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    yes i think so. because everything is relative.
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    Yes, General Relativity tells us that time does "move slower" for a person who is moving very fast. If you take a very sensitive clock into orbit (where your velocity is something like 8 km/sec) and compare it to an identical clock on the ground, time will pass more slowly for your orbital clock. This effect is taken into account in the calculations of GPS satellites. If it wasn't accounted for, they would be much less accurate at determining position. I believe the effect has also been demonstrated with atomic clocks that were flown on jet aircraft.
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    Forum Ph.D. Steve Miller's Avatar
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    I want to remark that, aside from A. Einstein, no one ever told time does such. I don't want to start this discussion here again, but, don't you think time was time if it would have such characteristics inherent?

    Wasn't it the same as if the one meter or one mile would not be one meter or one mile under certain circumstances. And that was not true simply. And so one always was one hour. It couldn't be one hour otherwise.

    Relatives we are all in certain ways.

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  8. #7  
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    Quote Originally Posted by Steve Miller
    I want to remark that, aside from A. Einstein, no one ever told time does such. I don't want to start this discussion here again, but, don't you think time was time if it would have such characteristics inherent?

    Wasn't it the same as if the one meter or one mile would not be one meter or one mile under certain circumstances. And that was not true simply. And so one always was one hour. It couldn't be one hour otherwise.

    Relatives we are all in certain ways.

    Steve
    As was already pointed out, the effect has been experimentally demonstrated with orbiting GPS satellites. There's no point in arguing about whether or not it happens, because we have proof that it does. You might not like it, but that doesn't change reality. It would be a heck of a coincidence if relativity was wrong AND the clocks in orbiting GPS satellites just happen to have a defect that causes them to slow down by the exact amount predicted by relativity.
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  9. #8  
    Forum Ph.D. Steve Miller's Avatar
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    Quote Originally Posted by Scifor Refugee
    Quote Originally Posted by Steve Miller
    I want to remark that, aside from A. Einstein, no one ever told time does such. I don't want to start this discussion here again, but, don't you think time was time if it would have such characteristics inherent?

    Wasn't it the same as if the one meter or one mile would not be one meter or one mile under certain circumstances. And that was not true simply. And so one always was one hour. It couldn't be one hour otherwise.

    Relatives we are all in certain ways.

    Steve
    As was already pointed out, the effect has been experimentally demonstrated with orbiting GPS satellites. There's no point in arguing about whether or not it happens, because we have proof that it does. You might not like it, but that doesn't change reality. It would be a heck of a coincidence if relativity was wrong AND the clocks in orbiting GPS satellites just happen to have a defect that causes them to slow down by the exact amount predicted by relativity.
    So then what???
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