[marron]

The good news is that the likelihood of such a smash-up is small, around one-in-2500

One in 2500 what, exactly? Is that like once every 2500 days? Years? Minutes?

[SunkenCiv]

To put it into perspective, there’s a big space rock that will pass by the Earth in 2029 — and the odds of its impact (instead of a miss) are worse than 1:43,000. ;’)