Uploaded November 2020 | Updated September 2026, 2 hours ago
Dr. Michael Brown (Caltech)
Nov. 11, 2020
Dr. Brown discusses the history of planetary discovery (and demotion), why we think a new, larger Planet 9 is on the verge of being found, and the techniques that we are using to try to find this very faint body lurking in the far reaches of our planetary system.
Dr. Michael Brown (Caltech)
Nov. 11, 2020
Dr. Brown discusses the history of planetary discovery (and demotion), why we think a new, larger Planet 9 is on the verge of being found, and the techniques that we are using to try to find this very faint body lurking in the far reaches of our planetary system.










