Video Description

They called it Planet Nine, not just because it would be the ninth planet (after Pluto was reclassified), but because no other explanation matched the data. We’ve gone through old data, built new telescopes, and found strange things we didn’t even know we were looking for. And somewhere out there — whether it’s a planet, a cluster of objects, or just a cosmic prank — something is still pulling the strings. 0:00 Intro 1:05 The Clues That Started It All 4:42 Simulations and Skeptics 8:12 The Disappearing Evidence 11:50 A New Infrared Dot Emerges 15:50 A Rogue Dwarf Planet Disrupts the Story 20:08 How Planet Nine Could Have Formed 23:43 The Final Hunt – Vera Rubin and Beyond And if Planet Nine does show up, we’ll be right here dragging it out of hiding.