eli5 how is time on earth different to time on other planets?

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Starting off my first question, how is time in space or on other planets different to earth is it just that it takes longer for that planet to do a full rotation meaning longer or more hours in a “day”?

then if Space/planet time is different to time on earth, how dose someone age slower in space than they do on earth, wouldnt your body still be replacing cells at the same rate and be “aging” at the same time?

is the “1 hour here is 7 hours on earth” just some movie gimmick for drama

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Anonymous 0 Comments

A few people mentioned the movie Interstellar. One extra point to mention. It’s not just speed that affects time, but gravity as well.

It doesn’t affect us much because the gravity of Earth is really tiny compared with a black hole by time does pass something like 0.00000001% slower on Earth than deep deep space .

If you were near a black hole, time would pass extremely slowly. This is what happens in the movie.

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