Is “Planet 9” actually a primordial black hole? – MIT Technology Review - discu.eu

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Scientists think “Plantet 9” could actually be a primordial black hole. It would be the size of a tennis ball with a gravity 5-15 times greater than Earth https://www.technologyreview.com/2019/09/30/410/is-planet-9-actually-a-primordial-black-hole/amp/ 98 comments 11/5/2020 science

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There’s probably another planet in our solar system | MIT Technology Review https://www.technologyreview.com/s/613060/theres-probably-another-planet-in-our-solar-system/ 1041 comments
[1909.11090] What if Planet 9 is a Primordial Black Hole? https://arxiv.org/abs/1909.11090 330 comments

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