Pluto Isn’t a Planet - Chris Lintott
51:48
YouTubeGresham College
Pluto Isn’t a Planet - Chris Lintott
00:00 // Introduction: Why Pluto Isn't a Planet 03:28 // Discovery of Uranus & a Mysterious Orbit 05:49 // How Neptune Was Found Through Math 08:16 // Percival Lowell's Hunt for "Planet X" 09:49 // Clyde Tombaugh Discovers Pluto (1930) 14:09 // A Brief History of Counting the Planets 18:02 // Pluto's Odd Orbit Raises Early Doubts 22:21 // The ...
9.2K views4 days ago
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Pluto Isn’t a Planet - Chris Lintott
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