Does time move faster on a train?
Does time move faster on a train? Time dilation is observed from both frames of references. From outside of the train it looks like time slows down for the train's frame of reference. And from the train's frame of reference it looks like time is slowed down for ground's frame of reference. Because motion is relative!
Why do you age slower the faster you go?
That's because of time-dilation effects. First, time appears to move slower near massive objects because the object's gravitational force bends space-time. The phenomenon is called gravitational time dilation. In a nutshell it just means time moves slower as gravity increases.
How much time would pass on Earth if I traveled at the speed of light for a year?
At 99.99 percent of the speed of light, a craft traveling for one year would come back to a world that had aged more than 70 years in their absence. At 99.99999 percent of the speed of light, for a year, more than 2000 years would pass on Earth.
Does time go by slower in train?
Time doesn't slow inside the train. It only slows when you look at the train from outside the train. A mosquito flying inside the train or a passenger moving inside the train appears slower to an observer standing on the ground.