Alberto Monteiro wrote: > > 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 >
Does the equation take into account how much of the meteorite erodes during atmospheric entry? -- Matt _______________________________________________ http://www.mccmedia.com/mailman/listinfo/brin-l
