The Search for Planet 9 | Dr. Renu Malhotra | TEDxPortland

by TEDxTalks
Move over Pluto - Is there a 9th planet in our Solar System? Dr. Malhotra and other planetary scientists have discovered the theory of Planet 9 after noticin...

Runtime: 14:53

From: YouTube   URL: https://www.youtube.com/watch?v=MptrypvBTag