gt;a long enough railgun, all possible in orbit somewhere,
>why not?
>
>Unless my calculator is confused, that's a kinetic
>energy very close to 4,183,999,999,994,176 joules,
>or one megaton, stored in a 10 kg slug, a mass which
>if it were plutonium (and standing still) could "only"
&
~~snip~~
> We tend to think of nuclear reaction devices as the
> ultimate weapons, of course, but imagine if you had
> one of those railgun thingees and could speed up a
> 10 kilogram steel slug to 920 kilometers per second.
> OK, I know that's really fast, but in a vacuum with lots
> of energy on
standing still) could "only"
produce an explosion of 0.2 megatons.
Potent stuff, kinetic energy.
Sterling K. Webb
- Original Message -
From: "John Hendry"
To: "'meteorite list'"
Cc: "Sterling K. W
>closing )
>off. NITPICKING huh?
>ENTROPY as part of your answer IS incorrect as he asked a SIMPLE question,
>not a technical one. I could keep going, but
>'Nuff said
>-Barrett
>
>
>
>-Original Message-
>From: Sterling K. Webb [mailto:sterling_k_w
Sterling,
On 24/04/2011 23:28, "Sterling K. Webb"
wrote:
>It takes a little over a joule to melt a gram of rock; that's
>the kinetic energy of that gram traveling at the sedate
>velocity of a mere 2100 m/s. A good-sized, high-speed
>impactor would turn to plasma with close to 100%
>efficiency.
ff. NITPICKING huh?
ENTROPY as part of your answer IS incorrect as he asked a SIMPLE question,
not a technical one. I could keep going, but
'Nuff said
-Barrett
-Original Message-
From: Sterling K. Webb [mailto:sterling_k_w...@sbcglobal.net]
Sent: Monday, April 25, 2011 12:28
Well I for one have appreciated Sterlings humorous and thoughtful
postings to the list for now on a decade and I have no idea who Barrett
is but he seems to have quite a thin skin for starters.Is that the same
person who gets in a wrinkle when the subject line doesn't change ;-)
Try not to feel
LE question,
not a technical one. I could keep going, but
'Nuff said
-Barrett
-Original Message-
From: Sterling K. Webb [mailto:sterling_k_w...@sbcglobal.net]
Sent: Monday, April 25, 2011 12:28 AM
To: Barrett; 'Stuart McDaniel'; 'meteorite list'
Subject: Re: [meteori
r than the clever trick of nuclear
reactions.
Which is why I find it so strange that some geologists
dismiss the life-extincting potential of major impacts.
Me? I think we've been dam lucky.
Sterling K. Webb
-----------
- Original Message -
From: "Ba
A
-Original Message-
From: Barrett
Sent: Sunday, April 24, 2011 10:20 PM
To: 'Stuart McDaniel' ; 'meteorite list'
Subject: RE: [meteorite-list] Impact Question
A very LARGE impact such as the one you are talking about, the "fire" is
super heated gases. The
:39 PM
To: meteorite list
Subject: [meteorite-list] Impact Question
I am watching "Earth: The Making of a Planet" on Nat Geo right now and they
are talking about Chixalub impact and I was wondering, probably something
simple,but,
If an asteroid the sixe of
I am watching "Earth: The Making of a Planet" on Nat Geo right now and they
are talking about Chixalub impact and I was wondering, probably something
simple,but,
If an asteroid the sixe of Chixalub hits the Earth where does the "fire"
from impact come from?? Is it
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