What is Planet Nine? with Harvard's Amir Siraj
From John Michael Godier's Event Horizon by John Michael Godier
June 5, 2026 · 33 min
About this episode
The episode explores the theories surrounding Planet Nine and its possible origins with guest Amir Siraj from Harvard.
The mystery of planet nine deepens as a new theory from Amir Siraj and Avi Loeb of Harvard attempts to explain what exactly might be hiding in the oort cloud. A primordial black hole? Or. The suns lost twin? Was the Sun a binary twin and is that twin our planet nine?The Case for an Early Solar Binary Companionhttps://arxiv.org/pdf/2007.10339.pdfAmir Siraj website and twitter:https://scholar.harvard.edu/siraj@TheAmirSirajWant to support the channel?Patreon: https://www.patreon.com/EventHorizonShowFollow us at other places!Website: https://www.eventhorizonshow.com/@jmgeventhorizonMusic featured on Event Horizonhttps://stellardrone.bandcamp.com/https://migueljohnson.bandcamp.com/https://leerosevere.bandcamp.com/https://aeriumambient.bandcamp.com/FOOTAGE:NASAESA/HubbleESO - M.KornmesserESO - L.CalcadaESO - Jose Francisco Salgado (josefrancisco.org)NAOJUniversity of WarwickGoddard Visualization StudioLangley Research CenterPixabay
People in this episode
Host: John Michael Godier
Guest: Amir Siraj
Topics covered
- Planet Nine
- Oort Cloud
- Primordial Black Hole
- Solar Binary Companion
- Astrophysics
- Space Exploration
Keywords
- Planet Nine
- Oort Cloud
- primordial black hole
- solar binary
- Avi Loeb
- Harvard
- astrophysics
Mentioned in this episode
Organizations: Harvard, NASA, ESA, Hubble, ESO, University of Warwick, Goddard Visualization Studio, Langley Research Center, Pixabay
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