Is there a Black Hole in our Solar System?

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This market closes when scientific consensus has reached near certainty on this issue, either by finding a black hole, or by exploring the solar system enough that it's considered essentially impossible. Close date on this market will be extended indefinitely.

Note that potential man-made black holes, such as those some have proposed could occur in particle colliders, do not count. This question refers to black holes as might be found by astronomers.

This question is managed and resolved by Manifold.

#Space

#Physics

#Cosmology

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Trans-Neptunian orbits asymmetry, over-abundance of microlensing events, and promising explanation for dark matter origins -> likely there is a small primordial black hole in the solar system of a non-stellar origin

https://www.youtube.com/watch?v=wh75ubECL8I

do man-made microscopic black holes count? e.g.

@bashmaester No

That's how the Interstellar movie began

is there a sweet spot between the mass low enough to make the hawking radiation obvious and a mass high enough to make the gravitational influence or accretion disk radiation obvious?

@JonathanRay yes, but there's no known mechanism for producing black holes of that size except perhaps primordial black holes. A 1000-ton black hole would have a lifetime close to the age of the universe. So that's a lower bound. Anything over 10^17kg would probably be detected.

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