“…it should be simply spectacular. Given the unusual speed of the comet and the fact that it is travelling the wrong way round the sun, from a planet’s point of view, Mr Plait estimates that its impact should yield a blast equivalent to that of a billion megatons of TNT”
Should be interesting. I don’t quite know what to expect from this ‘visible from the naked eye during daylight hours’.
Science! (violence too, I guess)