this post was submitted on 29 Aug 2026
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Wait until you hear about compasses and maps!
In the middle of the ocean? Wouldn't that require a sextant, night time, and a lot of expertise?
Wait until you hear about inertial navigation!
And an extremely accurate clock (depending on how accurate you want your location to be).
https://en.wikipedia.org/wiki/Marine_chronometer
All you really need is to see the Jovian eclipses.