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Have we finally found Planet Nine? Click this link https://boot.dev/?promo=ASTRUM and use my code ASTRUM to get 25% off your first payment for boot.dev. ▀▀▀▀▀▀ Is there a massive planet, 10 times the mass of Earth, hiding at the edge of our solar system? This is Planet Nine, the solar system’s greatest cold case, predicted by our models but never seen…. until now. Is the hunt finally nearing its end? In this video, we break down the evidence that might have finally located the "missing" planet. ▀▀▀▀▀▀ 0:00 The Search For Planet 9 6:47 Planet Candidates 10:51 Vera Rubin Telescope 12:49 Alternative Explanations 15:04 Could It Be a Black Hole? 15:53 Is Gravity Wrong? ▀▀▀▀▀▀ To stay on top of space news, sign up to the Astrum newsletter: https://astrumspace.kit.com Astrum Displate Posters: https://displate.com/astrumspace?art=5f04759ac338b Astrum Merch: https://astrum-shop.fourthwall.com/ Join us on the Astrum discord: https://discord.gg/TKw8Hpvtv8 A huge thanks to our Patreons who help make these videos possible. Sign-up here to support the channel: https://bit.ly/4aiJZNF ▀▀▀▀▀▀ Astrum Podcast on Spotify: https://open.spotify.com/show/6jPRrbq3o3dpvBb173ZTKi?si=a90d3efe3b704c83 Astrum Earth: https://youtube.com/@AstrumEarth Astrum Extra: https://www.youtube.com/@astrumextra Astrum Spanish: https://www.youtube.com/@astrumespanol Astrum Portuguese: https://www.youtube.com/channel/UChn_-OwvV63mr1yeUGvH-BQ ▀▀▀▀▀▀ References: “Generation of Low-Inclination, Neptune-Crossing TNOs by Planet Nine”, via arxiv.org https://astrumspace.info/planetnine “A search for Planet Nine with IRAS and AKARI data”, via cambridge.org https://astrumspace.info/irasakari “A far-infrared search for Planet Nine”, via arxiv.org https://astrumspace.info/nine_hunt “Rubin Observatory survey capabilities”, via rubinobservatory.org https://astrumspace.info/rubindata “A Search for Planet Nine using the AKARI survey”, via arxiv.org https://astrumspace.info/akarisearch “The collective gravity of a primordial scattered disk”, via iopscience.iop.org https://astrumspace.info/scattereddisk “The Zderic–Madigan belt”, via arxiv.org https://astrumspace.info/zdericmadigan “What if Planet Nine is a primordial black hole?”, via arxiv.org https://astrumspace.info/pbhplanetnine “Modified Newtonian dynamics as an alternative to Planet Nine”, via iopscience.iop.org https://astrumspace.info/mondplanetnine “New evidence suggests an unseen planet in the Solar System”, via livescience.com https://astrumspace.info/unseenplanet ▀▀▀▀▀▀ Credits: Writer: Chris Bartlett Video Editor: John Moschopoulos Researcher: Shourya Shrivastava Script Editor: Damaris McColgan Thumbnail Designer: Peter Sheppard Publishing Lead: Georgina Brenner Production Manager: Raquel Taylor Edit Producer: Poppy Pinnock Head of Astrum: Jess Jordan Creator of Astrum: Alex McColgan Music credit: Clampsample With special thanks to: Terry Long Phan Prof. Tomo Goto Dr. Ann-Marie Madigan NASA/ESO/ESA #Astrum #Space #Planet9