“…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”

http://www.economist.com/blogs/babbage/2013/02/comet-headed-mars

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)

– J