As if it weren't hard enough keeping your house safe from debt collectors these days, now you have something else to worry about: a falling German satellite called ROSAT. The German Aerospace Center has estimated that the hunk of decommissioned, extra-orbital metal will enter the atmosphere sometime between 7:30pm ET tonight and 1:30am ET tomorrow. It's unknown whether any of the thing will survive re-entry, but the 1.7 ton telescope mirror onboard very well may, striking the surface at a hasty 17,398MPH. The agency doesn't know where it will fall, but did reassuringly say that it won't hit Europe -- German scientists basically tel