4 ms·
And at 5M⊕ would have a diameter of about 9cm (or at 10M⊕ about the size of a bowling ball).
by dyslexit 6y ago
And at 5M⊕ would have a diameter of about 9cm (or at 10M⊕ about the size of a bowling ball).
- echelon 6y agoHow would we ever find that? Gravitational lensing of the background stars? Do we stand a chance of uncovering it at all? Edit: from the abstract, > The observational constraints on a PBH in the outer Solar System significantly differ from the case of a new ninth planet. This scenario could be confirmed through annihilation signals from the dark matter microhalo around the PBH Wild.