• justaderp@lemmy.world
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    5 months ago

    Your question is a good one. It indicates that you don’t have an understanding of time dilation and frame of reference. An explanation of the theory of relativity is pages long.

    The first book I ever read on the subject, and IMO the best introductory text for any non-physiscist, is Stephen Hawking’s “A Brief History of Time”. But, any introduction to relativity should answer your question.