> > Or, 100 kg of mass, directly converted into energy.
> >
> > Extrapolated from that information using Einstein's
> > famous equation, we arrive at 9x10^8 joules.
> >
> I think you have a units problem.  As I recall (and I found one web site
> that had units on the equation that agrees), to get Joules, you want
> mass
> in kg, and C in m/s (3E8m/s).  100kg of mass would give you 9x10^18 J
> in energy, which I think dwarfs even your big asteroid.

Not a units problem, operator error.  My scratchpad on my desk has
10^18, I just missed hitting the "1" in there when typing.

The other calculations, for yield and such, are based on 9x10^18-J, so
at least according to my sources, the asteroid still wins.  Soberingly.

Mike H.
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