Question
An astronaut is travelling in space at speeds close to the speed of light. Compare the time being spent in space by the astronaut with the time elapsing on Earth.
Step 1
Time dilation is a phenomenon predicted by Albert Einstein's theory of relativity, which states that time as measured by a clock moving at a high velocity relative to an observer will appear to pass slower compared to a clock at rest with respect to the observer. Show more…
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Compare the time it takes for light to travel $1000 \mathrm{m}$ on the surface of Earth and in outer space.
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