Do Planet Nine and Planet X Exist? With Amir Siraj Published 2023-12-28 Download video MP4 360p Download video MP4 720p Recommendations 16:20 Does Planet 9 Exist? 42:14 Government Breaks Silence: Strange Encounters | UFO's Investigating the Unknown 11:18 It missed us by 9 days 59:04 Are We About to Discover Intelligent Alien Life? With Adam Frank 53:23 Finding Alien Life. A Step-By-Step Instruction 37:56 Planet Nine Might Be Something Far Stranger Than a Planet featuring Kate Brown and Harsh Mathur 15:18 Are We Close to Finding Planet 9? 44:09 Have Older Alien Civilizations Already Settled the Galaxy? w/ Marshall Eubanks 1:00:25 Why the Universe May End at Any Moment With Prof. Geraint Lewis 1:46:27 Why Oumuamua May Have Been The First Sign of Intelligent Life with Dr. Avi Loeb 52:40 Grabby Aliens The Worst Case Scenario With Robin Hanson 10:03 The Hidden Planet That Could Change Everything: A New Perspective on the Kuiper Belt 21:27 Why Can't Scientists Find the Enormous Planet X? 58:18 “Agencies of Behavioural Change in Early Humans in North Africa” by Prof. Nick Barton. 1:10:34 The Most Unsettling Solutions to the Fermi Paradox With Stephen Webb 50:58 Is the Universe a Code? with Nick Bostrom 58:43 Can Life Exist Without Water? Biosignatures with Janusz Petkowski 2:42:28 UNREAL PLANET | Places That Don't Seem Real 1:07:54 Can We Really Understand the Universe? with Paul Sutter 1:07:20 The Most Unsettling Science and Science Fiction Ideas with Isaac Arthur Similar videos 32:51 What is Planet Nine? with Harvard's Amir Siraj 05:08 Capturing an Alien World: The Hunt for Planet X 07:44 Does Planet Nine Exist: No - Ask a Spaceman! 04:48 Exploring the Outer Solar System Could Lead to Amazing Discoveries 12:42 Should we Search for Primordial Black Holes in Our Solar System? 06:02 Did our Solar System Capture an Exoplanet? 06:31 Exploring the Solar System's Hidden Secrets 19:37 Why Planet 9 May Not Exist with Kevin Napier 00:58 Could Planet Nine be a primordial black hole? #space #cosmoknowledge #astronomy #physics #blackhole 04:22 The Planet Nine Hypothesis 40:49 Has Planet 9 Been Found? w/ Prof. Michael Rowan-Robinson 08:22 Evidence of New Planet in the Solar System Found 00:18 Is there a planet 9? 44:14 Is an Earth-like Planet Hiding in the Kuiper Belt? With Patryk Lykawka 06:12 A New Way To Search For Planet Nine 12:02 Hubble finds a "Planet Nine" in another star system 32:34 Planet Nine: A Giant Illusion? 08:46 Hubble Finds Weird Exoplanet That Resembles Planet Nine 05:01 Is Planet Nine a Black Hole? More results