I heard about einsteins theory of relativity (or something), like if ur in a different planet vs on earth, one person may grow older faster than other guy? well this still doesn’t make sense to me. the way i see time is that its just a way of keeping count of somethings age. but scifi movies and einsteins theory is like saying time is affected by speed?
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So the old standard is we are both the same age. I leave the earth in a ship an travel at almost the speed of light for what you perceive as 10 years. I’m able to stop the ship then turn around and get up to almost the speed of light again for what you perceive as another 10 years. I get back to earth and am able to stop and land. For you 20 some years have passed for me only 3 years have passed. You are 20 years older I’m 3 years older. That is relativity.
The time frames are just made up as no math was done. We can’t currently make such a trip but that is what you were asking about.
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