On Wed, 27 Feb 2013 15:33:34 -0500 Jed Rothwell <[email protected]> wrote:
> Vorl Bek <[email protected]> wrote: > > > > > > The report says .... it would release 20 > > > billion megatons. > > > > Surely that is a tad exaggerated. > > > > I don't think so. A 10-km object striking at 20 km/s will produce roughly > 600 million megatons. See: > > http://www.astronomynotes.com/solfluf/s5.htm Thanks.

