so take the twin paradox, two twins, one on a spaceship going .99c
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Replying to @arthur_affect @BootlegGirl and
the "paradox" is when the space twin comes home the earth twin is decades older
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Replying to @arthur_affect @BootlegGirl and
but all motion is relative, right? ones not objectively "standing still"
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Replying to @arthur_affect @BootlegGirl and
how does the universe "know" which twin has "slowed time" vs "normal time"
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Replying to @arthur_affect @BootlegGirl and
answer is there was no slowed time, the space twin is younger bc he's the one
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Replying to @arthur_affect @BootlegGirl and
by going from .99c relative to earth to 0 relative to earth
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Replying to @arthur_affect @BootlegGirl and
his path thru spacetime intersects w earth's w him having covered more "space"
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Replying to @arthur_affect @BootlegGirl and
and less "time" from earth's POV
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Replying to @arthur_affect @BootlegGirl and
if Earth twin got on a spaceship and was the one who flew out to join space twin
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space twin would have been "frozen in time"
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Replying to @arthur_affect @BootlegGirl and
big question - before either one decides to change direction
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Replying to @arthur_affect @BootlegGirl and
which one has time passing faster or slower than the other
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