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@evan I feel like this would be hard to explain to someone several thousand years ago compared to the much more obvious “oh we use Polaris as the North Star now, it works better for us than Deneb does for you”

Assuming the language barrier wasn’t itself a massive problem lmao

@evan this feels weird to say lol. They shift in sidereal terms yes, but all of our calendars, now and historically, attempt to approximate the precession, and have been adjusted multiple times to correct errors like that.