We’ve been there. For decades. You know that, right?

“A million to one.” They said…

What are the chances that this question came from Uranus?

I mean, anything? That’s got to be close enough to 100% to make no difference. Rocks in space hit planets, pieces break off at escape velocity, they become the space rocks that hit other planets. I doubt there’s a solid body in the inner solar system that doesn’t have at least a little bit of Mars on it.