ds.dial.pipex.com/spaceguard

The world could end before you finish reading this review, and not with a whimper, with a bang. A very, very big bang. Because there are a lot of very, very big rocks trundling to and fro in outer space and if one of them happens to cross the earth's orbit at the wrong time it really will be the end of the world as far as the human race is concerned. An entire nation the size of France or German could be wiped out in the first few seconds of impact, with the after-effects - flaming fragments, tidal waves, earthquakes - finishing off the rest of Europe in the following minutes, and Asia, Africa, and the Americas waiting a few hours or days longer for the end, as dust, ...