The Discovery That Got Pluto Demoted

This is Eris, the Pluto killer.In this video, we’re heading to the chaotic, murky edges of the solar system to meet the “tenth planet”, Eris. Also known as the “Pluto killer”, the discovery of this massive icy world didn't just add a name to the map, it triggered a scientific war that redefined what it means to be a planet, forever.▀▀▀▀▀▀If you love learning about science as much as I do, head to http://brilliant.org/astrum to learn for free for a full 30 days. You'll also receive 20% off a premium annual subscription, giving you unlimited access to everything on Brilliant.▀▀▀▀▀▀Astrum's newsletter has launched! Want to know what's happening in space? Sign up here: ⁠https://astrumspace.kit.com⁠A huge thanks to our Patreons who help make these videos possible. Sign-up here: ⁠https://bit.ly/4aiJZNF