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[deleted] t1_ja1pq7o wrote on February 26, 2023 at 4:34 AM

Reply to comment by Psychocumbandit in How old is the ISS REALLY? by gwplayer1

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macisaint t1_ja1t8g2 wrote on February 26, 2023 at 5:08 AM

There are two relativistic effects that have opposite signs. Time dilation due to movement, and dilation due to being in a gravity well. The gravity well effect dominates.