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It's time to mentally prepare yourselves for this
(lemmy.world)
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this post was submitted on 17 Apr 2024
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It's not too bad. Relativity says that no frame of reference is special.
On earth, a second looks like a second, but a second on the moon looks too quick.
On the moon, the second looks like a second, but a second on earth looks too slow.
Both are actually correct. The simplest solution is to declare 1 to be the base reference. In this case, the earth second. Any lunar colonies will just have to accept that their second is slightly longer than they think it should be.
If it helps, the difference is tiny. A second is 6.5x10^-10 seconds longer. This works out to 56 microseconds per 24 hours. It won't affect much for a long time. About the only thing affected would be a lunar GPS.
Galactic center is the frame to use for any space travel.
Unfortunately, it's not a useful one. While we know approximately where it is, we don't know how deep the gravity well is. That gravity well slows the passage of time, just like the earth does. Without an exact mass, and mass density, we can't calculate the correction factor.
i guesn it's fine, just keep it updating, like the seed at little that got more precine since the creation of the meter but it got updated too