Harmony of the Worlds

Neil deGrasse Tyson sets off on the Ship of the Imagination to chase a single comet through its million-year plunge toward the sun.<br> Later, Tyson visits the birthplace of Sir Isaac Newton and retraces the unlikely friendship between Newton and brilliant polymath Edmond Halley.<br> It was Halley's patience and generosity which allowed Newton to conquer his fear of isolation and find the courage to publish his masterwork, “Principia Mathematica,” which launched a science revolution