A tiny black hole may pass through our solar system once every ten or so years, researchers have suggested, and this could be detected by watching Mars wobble.

But black holes are much rarer in the universe, and the chance of one traveling through the solar system even a single time is low — much less that it would collide with something. "Obviously ...

But the black holes would have speeds of about 200 kilometers per second and come from outside the solar system. That’s rare for space rocks ( SN: 9/12/19 ).