10,000 tons is A LOT OF STUFF
On Wed, Feb 20, 2013 at 12:06 PM, ChemE Stewart <cheme...@gmail.com> wrote: > Where is it? > > > On Wednesday, February 20, 2013, Daniel Rocha wrote: > >> There is nothing unusual about that asteroid. Calculate the kinetic >> energy of a sphere with 15m of diameter at 30km/s. Consider the typical >> density of 7g/cm^3. The kinetic energy released is around 500ktons of tnt >> and its weight around 10ktons. >> >> >> 2013/2/20 ChemE Stewart <cheme...@gmail.com> >> >>> Close, probably dark matter nuclei.... :) >>> >>> I think I read 50m diameter but I have not done the math. >>> >>> I want to see if they can find what made that perfectly round 20'-30' >>> diameter hole in the ice. So far nada... >>> >>> Should be worth a lot if it exists. >>> >>> >>> On Wed, Feb 20, 2013 at 10:49 AM, Terry Blanton <hohlr...@gmail.com>wrote: >>> >>>> On Wed, Feb 20, 2013 at 8:49 AM, ChemE Stewart <cheme...@gmail.com> >>>> wrote: >>>> > You, like NASA, are off by at least a factor of 1000... >>>> > >>>> > >>>> http://www.foxnews.com/science/2013/02/19/russian-meteorite-1000-times-bigger-than-originally-thought/ >>>> >>>> That article makes no sense at all. Maybe they mean the energy >>>> released was bigger; but, they still say it was only 15 m in diameter. >>>> Oh, I see, the density was 1000 times greater. Well, heck, we must >>>> have had a piece of a neutron star hit us. >>>> >>>> <sigh> >>>> >>>> >>> >> >> >> -- >> Daniel Rocha - RJ >> danieldi...@gmail.com >> >
