Harrison Greenbaum: We've called questions from our following on navigation. How is the North Star used in navigation besides the North Star? Are there other elements in the sky that have been used or can be used to navigate? "We're gotten lazy with GPS, of course. And so we let GPS do it," he says. 'It makes no sense what it tells us to do'
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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