We discuss the idea with one of the paper's co-authors, Dr James Unwin... plus black hole enthusiast Dr Becky Smethurst. More links and info below ↓ ↓ ↓ More Black Hole videos: https://bit.ly/Black_Hole_Videos What if Planet 9 is a Primordial Black Hole? (Jakub Scholtz, James Unwin): https://arxiv.org/abs/1909.11090 Dr James Unwin: https://jamesunwin.github.io/ A Brief History of Black Holes by Becky Smethurst (Amazon links)... US: https://amzn.to/3u0b4BN UK: https://amzn.to/3VxlNPV Becky's website: https://rebeccasmethurst.co.uk/ And her YouTube channel: null With thanks to Alexander Bock for helping with the solar system animation using OpenSpace: https://www.openspaceproject.com/ Visit our website at http://www.sixtysymbols.com/ We're on Facebook at http://www.facebook.com/sixtysymbols And Twitter at http://twitter.com/sixtysymbols This project features scientists from The University of Nottingham http://bit.ly/NottsPhysics Patreon: https://www.patreon.com/sixtysymbols Sixty Symbols videos by Brady Haran http://www.bradyharanblog.com/ Email list: http://eepurl.com/YdjL9