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Forestman
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Time dilation is a phenomenon in which time appears to pass at a different rate for two observers who are moving relative to one another. This is due to the effects of gravity and relative velocity on the passage of time.
Time dilation occurs when an object is moving at a high velocity or in a strong gravitational field. This causes a difference in the passage of time for the moving object compared to a stationary observer.
Time dilation can cause time to appear to pass slower or faster depending on the relative velocity or gravitational field. This can lead to a difference in perception of time for observers in different frames of reference.
Yes, time dilation can be observed in everyday life, albeit very small effects. For example, GPS satellites have to take into account the effects of time dilation due to their high velocity in orbit in order to accurately calculate location and time for GPS devices on Earth.
Time dilation is a key concept in Einstein's theory of relativity, specifically in the theory of special relativity. It explains how time can appear to pass at different rates for objects in different frames of reference, and is a fundamental aspect of the theory.