I spend 40 minutes talking about literally nothing.

LINKS:

Twitter:   / zepherusyt  
Subreddit:   / zepherus  
Discord:   / discord  

SOURCES:
Books cited / recommended to learn more:

The Hunt for Vulcan by Ben Levenson
In Search of Planet Vulcan by Richard Baum and William Sheehan
The Ascent of Gravity by Marcus Chown
Le Verrier — Magnificent and Detestable Astronomer by James Lequeux
Eclipses, Transits, and Comets of the Nineteenth Century by Stella Cottam and Wayne Orchiston

Other non-book sources (limited selection):

Transferring scientific discovery to the public: The intramercurial planet Vulcan in 1860 by Hsiang-Fu Huang
When Lack of Evidence Is Evidence of Lack by Neil Pickering
Einstein's perihelion formula and its generalization by Maurizio M. D'Eliseo

https://mathshistory.st-andrews.ac.uk...
https://mathshistory.st-andrews.ac.uk...
https://www.space.com/6941-theory-gal...
https://www.fetedelascience.fr/qui-es...
https://plus.maths.org/content/changi...
https://www.iau.org/news/pressrelease...
https://www.iau.org/public/videos/det...
https://www.space.com/2791-pluto-demo...
https://www.nationalgeographic.com/sc...
as well as various records from CRAS and newspaper archives.

PHOTO CREDITS:

Algol Visualisation:    • History and Future of the Solar System  

Eiffel Tower photo by Cristian Bortes, CC BY 2.0,
Image of Francois Arago by Charles-Jérémie Fuhr, CC BY 2.0,
(https://creativecommons.org/licenses/..., via Wikimedia Commons)

Video of 2017 Total Eclipse by Steve Sheridan, CC BY 3.0,
Statue of Le Verrier photographed by Mbzt, CC BY 3.0,
Sunset timelapsed by dejko611611, CC BY 3.0,
Paris Observatory photographed by Stéphane Touraine, CC BY-SA 3.0, (https://creativecommons.org/licenses/..., via Wikimedia Commons)

Sunset image taken by Dibyendutwipzbiswas, CC BY 4.0,
Photo of J. R. Hind provided by Wellcomeimages.org, CC BY 4.0,
Images of Laplace, Pascal and Hôtel des Invalides provided by Wellcomeimages.org, CC BY 4.0,
Video of 2015 Partial Eclipse by David Bucher, CC BY-SA 4.0,
(https://creativecommons.org/licenses/..., via Wikimedia Commons)

Blackboard texture created by benzoix - www.freepik.com
Pluto Protest image by Darren Phillips / Associated Press

...what are you doing down here? Nobody reads the description! :D