Vulcan: the planet that never was

For a time, in the 19th century, some astronomers believed there might be a planet orbiting the Sun even closer than Mercury. Here is the story of Vulcan - the planet that never was. My other YouTube channels: The Science Fiction Rock Experience ( the music show I produce): https://www.youtube.com/@ScienceFictionRockExperience Discover Maths (with Juan Medina): https://www.youtube.com/@discovermaths Science World (with Emrah Polat): https://www.youtube.com/@ScienceWorld1 My website: https://www.daviddarling.info My other videos on the history of science: Planck and the birth of quantum mechanics, 1 https://youtu.be/bAYy7EGKDFA Brief history of light part 1 https://youtu.be/iU5KRevpGH0 Brief history of light part 2 https://youtu.be/biT7cptECdI Brief history of light part 3 https://youtu.be/zAMcUKeNQLI Through the sound barrier with the X-1, part 1 https://youtu.be/3vTAefEj4Kc Through the sound barrier with the X-1, part 2 https://youtu.be/6VqJBXq90qE The strange history of the moons of Mars https://youtu.be/uq-v1AdPN5k The harmony of the spheres https://youtu.be/ZtiTSJQLEkQ War of the Worlds https://youtu.be/x9tvJRqEFCY The experiment that changed the world https://youtu.be/lyocnRvCKik Ernest Rutherford and the birth of nuclear physics https://youtu.be/W-vGMncXJw4 Percival Lowell https://youtu.be/UvmoKv1BOAw The canals of Mars https://youtu.be/ChJKQMiNC2c Pythagoras https://youtu.be/j1N3N4cgHaM Music: https://www.bensound.com