In a mind-bending new paper, researchers suggest that there could be black holes orbiting the Sun, out past Pluto.
Scientists have long speculated that a “planet 9,” in orbit very far from the Sun, could explain why other bodies in our solar system have strange, hard-to-explain orbits.
Now, a pair of astrophysicists are suggesting a strange twist on that idea: that a black hole — or even a number of them — could be orbiting our Sun right now, way beyond Neptune.
Primordial
This week, a pair of researchers from Durham University and the University of Illinois at Chicago published a paper outlining their theory on the pre-print server arXiv. In it, they suggest that the Sun’s orbit might have captured a free-floating “primordial black hole” — and it, or they, are still out there, circling the solar system.
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