[Boundless]

> The detonation of these glorified ice cubes takes
> place at a much lower altitude than satellites ...

The detonation isn't the threat I had in mind;
just the impact.

[SunkenCiv]

It sounds like a lot, but there's a lot of area involved. Over a long period of time, odds are one of these comets (or chunks thereof) will hit something artificial, and the odds improve for larger objects (such as the ISS). :')

George W. Bush will be reelected by a margin of at least ten per cent