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Do the Past and Future Exist?
PBS Space Time
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Feb 18, 2021
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runarberg on
Perseverance Rover lands on Mars [video]
PBS Space Time recently explained what the present time means within general relativity[1]. As I understand it... it matters in this context.
⬐ scotty79True fun begins when you consider General Relativity (which takes into account gravity and acceleration). From what I heard there is no definition of simultaneity and you can define it in different ways.