If you want to conquer the world, as early Europeans felt the need to do... You need other ways to find longitude. And if you're in the Southern Hemisphere, that's going to be ... Oh, thank you. They don't have a star. So there's not some easy star to get your latitude. But still, it's nice to know where you are in latitude.
Neil deGrasse Tyson and comic co-host Harrison Greenbaum answer fan-submitted Cosmic Queries that explore the techniques, inventions, and ideas for navigating the cosmos including celestial maps, GPS, the North Star, and more.
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