Robert Seeberger wrote: > >>>> The object, designated 2004 FH, is roughly 30 meters > >> Using Shoemaker's formula, a crater of diameter approximately >> equal to 8.5 meters, or the equivalent to 0.1 kilotons of TNT [1% of >> Hiroshima - I wonder how much was the TNT-equivalent of the >> WTC or Spanish attacks] > > How can the crater be so much smaller than the asteroid itself? > Because I made some error in Shoemaker's formula O:-)
> I figured a 30 meter rock would severely damage an average sized city > since it would entail a pretty large concussion. > Looking at the table, I also think so. And looking at an example, I would resize the crater to 1000 meters or so. Alberto Monteiro _______________________________________________ http://www.mccmedia.com/mailman/listinfo/brin-l
