Dark Matter, Destroyer of Worlds: Neutrino, Thermal, and Existential Signatures from Black Holes in the Sun and Earth
Javier F. Acevedo, Joseph Bramante, Alan Goodman, Joachim Kopp and, Toby Opferkuch

TL;DR
This paper explores how dark matter captured by the Sun and Earth can form black holes, leading to observable signatures like heat flow and neutrino fluxes, providing new constraints on dark matter properties.
Contribution
It introduces novel methods to detect high-mass asymmetric dark matter through black hole signatures such as Hawking radiation and neutrino emissions.
Findings
Constraints on dark matter interactions from planetary stability
Potential detection of high-energy neutrinos from the Sun
Identification of anomalous heat flow from Earth
Abstract
Dark matter can be captured by celestial objects and accumulate at their centers, forming a core of dark matter that can collapse to a small black hole, provided that the annihilation rate is small or zero. If the nascent black hole is big enough, it will grow to consume the star or planet. We calculate the rate of dark matter accumulation in the Sun and Earth, and use their continued existence to place novel constraints on high mass asymmetric dark matter interactions. We also identify and detail less destructive signatures: a newly-formed black hole can be small enough to evaporate via Hawking radiation, resulting in an anomalous heat flow emanating from Earth, or in a flux of high-energy neutrinos from the Sun observable at IceCube. The latter signature is entirely new, and we find that it may cover large regions of parameter space that are not probed by any other method.
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