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 请诸位看看网友哇啦哇啦对爱因斯坦时间的理解 |
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毕时圆
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作者：Anonymous 在 罕见奇谈 发贴, 来自 http://www.hjclub.org
哇啦哇啦wrote：
to be honest with you I dont see why the time should be any different between people with differet speed. at 12:0:02 what you see is the picture of traveler at 12:0:01 at 2x miles away which makes you think he is 1 sec yourger than he really is. but the reality is he is at 3x miles away and is 1sec older than you see.
if you can travel faster than light, you actually can chase the light which was sent out yesterday or the past. so you can see the past. But I dont think that means time goes back.
when we see a star, we see its picture probably million years ago because the light took long time to get to our eye. but what that star really looks like at the time you see it actually is different from what you see.
anyway I dont think time changes depending on the speed you travel. also I dont beleive people become younger if they travel in high speed.
dont you agree?
为了照顾中文读者，我将哇啦哇啦意见的片断意译如下：
……
即便你运动的速度比光的速度更加的快，或许你可能已经追上了我昨天或者更早之前发出的光，换句话说，你能看到已经成为过去的事物。但是，我并不认为这就意味着时间可以倒流。
当我们看到一颗星球的时候，我们可能看到的是数百万年前的星球（估计现在未必仍然存在的星球），因为这颗星所发出的光要很长、很长的时间才能到达我们这里被我们的眼睛看到。但是，这颗星看上去和真正存在的星球没有什么不同。
无论怎么说，我不认为你/物体运行的速度会改变时间。同时，我也不认为人由于运行的速度很快而会显得更加年轻。
毕时圆wrote：
You said:
[when we see a star, we see its picture probably million years ago because the light took long time to get to our eye. but what that star really looks like at the time you see it actually is different from what you see.
anyway I dont think time changes depending on the speed you travel. also I dont beleive people become younger if they travel in high speed.]
Very good comments! I agree with you.
作者：Anonymous 在 罕见奇谈 发贴, 来自 http://www.hjclub.org |
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