Re: [meteorite-list] Links to data from four radars for 19-Octoberfireball

[Jim Wooddell]

Rob,
Thanks for ordering and posting those.

I did some plotting of witness statements and they are all over the place. 
No Joy.


Jim


Jim Wooddell
https://k7wfr.us

- Original Message - 
From: "Matson, Robert D." 

To: 
Sent: Thursday, October 20, 2011 2:29 PM
Subject: [meteorite-list] Links to data from four radars for 
19-Octoberfireball




Hi All,

Apologies -- my earlier links were for times that were one hour early.
Here are the correct links, covering 08:00-09:00 GMT on 19-October:

KGLD - Goodland, KS:
http://ftp3.ncdc.noaa.gov/pub/has/HAS002324672/

KLNX - North Platte, NE:
http://ftp3.ncdc.noaa.gov/pub/has/HAS002324674/

KUEX - Hastings, NE:
http://ftp3.ncdc.noaa.gov/pub/has/HAS002324675/

KOAX - Omaha, NE:
http://ftp3.ncdc.noaa.gov/pub/has/HAS002324677/

I still don't see anything that stands out.  --Rob

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Re: [meteorite-list] Ft. Collins, CO meteor 19OCT2011

[drtanuki]

Sonny and list,  The site is updated with the sighting reports that I have to 
date:
http://lunarmeteoritehunters.blogspot.com/2011/10/mbiq-indicates-large-meteor-event-south.html
  Anyone that would like to be included in a conference call or contact list 
please provide your tele # offlist.  Let the hunt continue!  Best Regards, Dirk 
Ross...Tokyo

--- On Fri, 10/21/11, wahlpe...@aol.com  wrote:

> From: wahlpe...@aol.com 
> Subject: Re: [meteorite-list] Ft. Collins, CO meteor 19OCT2011
> To: drtan...@yahoo.com
> Date: Friday, October 21, 2011, 3:52 AM
> Hi Dirk,
> 
> Any more info, a few of the reports on the AMS reported
> sound.
> 
> Thanks,
> Sonny
> 
> 
> -Original Message-
> From: drtanuki 
> To: Chris Peterson ;
> meteorite-list 
> Sent: Thu, Oct 20, 2011 5:54 am
> Subject: Re: [meteorite-list] Ft. Collins, CO meteor
> 19OCT2011
> 
> 
> Perfect!  Thank you Chris. May I have the coords for
> your camera?  Thank you in advance. 
> Dirk...Tokyo--- On Fri, 10/21/11, Chris Peterson 
> wrote:> From: Chris Peterson >
> Subject: Re: [meteorite-list] Ft. Collins, CO meteor
> 19OCT2011> To: meteorite-list@meteoritecentral.com>
> Date: Friday, October 21, 2011, 1:30 AM> I have a very
> bright event from the> camera at the Denver Museum of
> > Nature and Science. It was at 2011-10-19 02:25:00 MDT,
> and> right on the > horizon at an azimuth of 58°,
> nearly as bright as the> Moon. Using a >
> guess/estimate for height suggests the meteor was over
> the> Middle of > Nowhere, Nebraska, roughly between
> Denver and Sioux Falls,> SD.> > Chris> >
> ***> Chris L Peterson>
> Cloudbait Observatory> http://www.cloudbait.com> > On
> 10/20/2011 10:05 AM, drtanuki wrote:> > Bob,  What do
> you need for a scream?> > Please list your scream
> requirements.> >> > The event was seen in an
> area approximately 880 miles> X 800 miles X 800 miles;
> the size of the event is> noteable.  The Lincoln
> Nebraska Airport video shows> fragmentation.  Several
> witnesses report> fragmentation.  There is a good chance
> that the KC> Airport Downtown has a video as well.
> Manitoba Allsky maybe> caught it?   I haven`t checked
> with Chris> Peterson but there is a chance he captured it
> as well?> >> > Space trash unlikely from what I
> see in the video and> from witness reports... wrong speed
> and character.> >> >    I say get busy, do
> your homework and make> some calls.  More reports will
> filter out later today> when I have time to post
> them.> > Best Regards, Dirk Ross...Tokyo> >>
> > Ft. Collins dude hasn`t replied to my clarification>
> questions.> >>
> __> Visit the
> Archives at http://www.meteoritecentral.com/mailing-list-archives.html>
> Meteorite-list mailing list> Meteorite-list@meteoritecentral.com>
> http://six.pairlist.net/mailman/listinfo/meteorite-list>
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> mailing 
> listMeteorite-list@meteoritecentral.comhttp://six.pairlist.net/mailman/li
> stinfo/meteorite-list
>  
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Re: [meteorite-list] AD: Special: Tribute to Vesta - Four different new and excellent Eucrites!

[wahlperry]

Hi Stefan and Martin,

As always spectacular material!


Sonny


-Original Message-
From: Chladnis Heirs 
To: meteorite-list 
Sent: Thu, Oct 20, 2011 10:01 am
Subject: [meteorite-list] AD: Special: Tribute to Vesta - Four 
different new and excellent Eucrites!



Dear Collectors,our autumn season we will start with a truly mighty 
Special.These weeks and months we can say, that we all are captivated 
by theincredibly fascinating and sometimes almost shocking pictures the 
Dawn probetransmits through the outer space on our screens from this 
New World calledVesta.And with each new sight and capture for us 
meteorite lovers the eagernessgrows more unendurable, when finally the 
first mineralogical data willarrive - and whether then we meteorite 
collectors could say to the hare: weare the hedgehogs; We were already 
there.So as a tribute to Dawn and a salute to Vesta we will reveal four 
differentnew eucrites all at once,each of them of such a discrete 
excellence and also of a quality, that wecan imagine, that it won't be 
that easy to make a decision, which specimento pick, from the 
kaleidoscope, we try to demonstrate with the diversity ofthe Eucrite 
group.Let us begin:NWA 6970With a tiny tkw of 15.5g only the smallest. 
A moderately shocked polymictone, which exhibits an extremely busy 
small scale tessellate.A very dense and compact material, polishing 
excellently. Internally fresh,with fine spots of colourful 
inclusions.http://www.chladnis-heirs.com/specials/special-nwa6970.htmlNWA
 6971Displays gorgeous cubistic shock patterns! Straight and extremely 
angularshock lines, triangular shock veins and whole slightly shock 
darkenedpolygons - and that all in a perfect contrast to an almost Dho 
007 lookingeucritic matrix. Glossy black fusion crust 
preserved.http://www.chladnis-heirs.com/specials/special-nwa6971.htmlNWA 
6972Disguises as a lunaite. As you can see it plays a mimicry of a 
finefragmental anorthosic breccia. (And among these NWA 6972 chose the 
prettiest ones). A high diversity ofclasts and inclusions; Highly 
shocked and Stefan applied a wonderfulpolishing. Note the black and 
granular fusion crust on the 
endpieces!http://www.chladnis-heirs.com/specials/special-nwa6972.htmlNWA 
6974Elitist extravagance.The climax of our special.A stone like we like 
it, cause it makes any words obsolete.The Covergirl for any glossy 
magazine about meteorites or about Vesta.A low shock allowed these 
different lithologies to merge together to thatmasterpiece.Overwhelming 
variety of inclusions. Some weird, some black like coal.Holding our 
breath now, we only still mention, that it wears a fresh blackskin of 
fusion crust all around (and while we are writing, we recognize,that 
the price we chose is maybe a little bit too 
shy).http://www.chladnis-heirs.com/specials/special-nwa6974.htmlEnjoy 
the Art of Vesta!Yours,Stefan & MartinChladni's HeirsMunich - 
BerlinFine Meteorites for Science & 
Collectorshttp://www.chladnis-heirs.com__
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[meteorite-list] Links to data from four radars for 19-October fireball

[Matson, Robert D.]

Hi All,

Apologies -- my earlier links were for times that were one hour early.
Here are the correct links, covering 08:00-09:00 GMT on 19-October:

KGLD - Goodland, KS:
http://ftp3.ncdc.noaa.gov/pub/has/HAS002324672/

KLNX - North Platte, NE:
http://ftp3.ncdc.noaa.gov/pub/has/HAS002324674/

KUEX - Hastings, NE:
http://ftp3.ncdc.noaa.gov/pub/has/HAS002324675/

KOAX - Omaha, NE:
http://ftp3.ncdc.noaa.gov/pub/has/HAS002324677/

I still don't see anything that stands out.  --Rob

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[meteorite-list] Asteroid 2008 TC3 / Almahata Sitta Meteorite

[siegfr...@haberer-meteorite.de]

Dear meteorite friends,
 
From today you can find on our website (www.haberer-meteorite.de) a temporary
special offer of Almahata Sitta specimens at very good prices.
 
With very best regards
 
Siegfried and Karin
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[meteorite-list] AD: Special: Tribute to Vesta - Four different new and excellent Eucrites!

[Chladnis Heirs]

Dear Collectors,


our autumn season we will start with a truly mighty Special.
These weeks and months we can say, that we all are captivated by the
incredibly fascinating and sometimes almost shocking pictures the Dawn probe
transmits through the outer space on our screens from this New World called
Vesta.
And with each new sight and capture for us meteorite lovers the eagerness
grows more unendurable, when finally the first mineralogical data will
arrive - and whether then we meteorite collectors could say to the hare: we
are the hedgehogs; We were already there.

So as a tribute to Dawn and a salute to Vesta we will reveal four different
new eucrites all at once,
each of them of such a discrete excellence and also of a quality, that we
can imagine, that it won't be that easy to make a decision, which specimen
to pick, from the kaleidoscope, we try to demonstrate with the diversity of
the Eucrite group.

Let us begin:


NWA 6970

With a tiny tkw of 15.5g only the smallest. A moderately shocked polymict
one, which exhibits an extremely busy small scale tessellate.
A very dense and compact material, polishing excellently. Internally fresh,
with fine spots of colourful inclusions.
http://www.chladnis-heirs.com/specials/special-nwa6970.html



NWA 6971

Displays gorgeous cubistic shock patterns! Straight and extremely angular
shock lines, triangular shock veins and whole slightly shock darkened
polygons - and that all in a perfect contrast to an almost Dho 007 looking
eucritic matrix. Glossy black fusion crust preserved.
http://www.chladnis-heirs.com/specials/special-nwa6971.html



NWA 6972

Disguises as a lunaite. As you can see it plays a mimicry of a fine
fragmental anorthosic breccia. 
(And among these NWA 6972 chose the prettiest ones). A high diversity of
clasts and inclusions; Highly shocked and Stefan applied a wonderful
polishing. Note the black and granular fusion crust on the endpieces!
http://www.chladnis-heirs.com/specials/special-nwa6972.html



NWA 6974

Elitist extravagance.

The climax of our special.
A stone like we like it, cause it makes any words obsolete.
The Covergirl for any glossy magazine about meteorites or about Vesta.

A low shock allowed these different lithologies to merge together to that
masterpiece.
Overwhelming variety of inclusions. Some weird, some black like coal.
Holding our breath now, we only still mention, that it wears a fresh black
skin of fusion crust all around (and while we are writing, we recognize,
that the price we chose is maybe a little bit too shy).
http://www.chladnis-heirs.com/specials/special-nwa6974.html




Enjoy the Art of Vesta!
Yours,
Stefan & Martin

Chladni's Heirs
Munich - Berlin
Fine Meteorites for Science & Collectors

http://www.chladnis-heirs.com






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Re: [meteorite-list] Ft. Collins, CO meteor 19OCT2011

[Bob Loeffler]

Hi Dirk,

I saw none of that info on your website, so I thought the only details were
from that one guy (Jacob Bernal).  Am I missing something?  Do you have
links on that page that go to other accounts of observations?  I'm sorry if
I'm missing the big picture here, but I thought that page would have a bunch
of observations if other people saw it.  Or maybe you just haven't posted
them yet.  If that's the case, I would have to go searching the web and I
just don't have time to do that right now (getting married in 3 weeks).

Thanks and regards,

Bob



-Original Message-
From: drtanuki [mailto:drtan...@yahoo.com] 
Sent: Thursday, October 20, 2011 10:06 AM
To: Bob Loeffler; meteorite-list@meteoritecentral.com
Subject: Re: [meteorite-list] Ft. Collins, CO meteor 19OCT2011

Bob,  What do you need for a scream?  
Please list your scream requirements.

The event was seen in an area approximately 880 miles X 800 miles X 800
miles; the size of the event is noteable.  The Lincoln Nebraska Airport
video shows fragmentation.  Several witnesses report fragmentation.  There
is a good chance that the KC Airport Downtown has a video as well. Manitoba
Allsky maybe caught it?   I haven`t checked with Chris Peterson but there is
a chance he captured it as well?

Space trash unlikely from what I see in the video and from witness
reports... wrong speed and character.

  I say get busy, do your homework and make some calls.  More reports will
filter out later today when I have time to post them.  
Best Regards, Dirk Ross...Tokyo

Ft. Collins dude hasn`t replied to my clarification questions.

--- On Thu, 10/20/11, Bob Loeffler  wrote:

> From: Bob Loeffler 
> Subject: Re: [meteorite-list] Ft. Collins, CO meteor 19OCT2011
> To: "'drtanuki'" , meteorite-list@meteoritecentral.com
> Date: Thursday, October 20, 2011, 11:25 PM
> Hi Dirk and list,
> 
> I was excited/hopeful to read about this, but unfortunately
> nothing about
> that report screams "Meteorites are possible" to me. 
> Just a bright,
> short-lived meteor in my mind.  And this quote doesn't
> make sense to me:  "I
> was facing almost directly North West, the meteor was
> moving to the left
> (north)".  If it was moving to the left, wouldn't that
> be west or south or
> southwest?  North would be to his RIGHT.
> 
> Regards,
> 
> Bob
> 
> 
> -Original Message-
> From: meteorite-list-boun...@meteoritecentral.com
> [mailto:meteorite-list-boun...@meteoritecentral.com]
> On Behalf Of drtanuki
> Sent: Wednesday, October 19, 2011 3:32 AM
> To: meteorite-list@meteoritecentral.com
> Subject: [meteorite-list] Ft. Collins, CO meteor 19OCT2011
> 
> Dear List,  There was a bright fireball just reported
> from Ft. Collins,
> Colorado in the US,
>
http://lunarmeteoritehunters.blogspot.com/2011/10/ft-collins-colorado-bright
> -neon-green.html
> 
> Best Regards, Dirk Ross...Tokyo
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> -
> No virus found in this message.
> Checked by AVG - www.avg.com
> Version: 2012.0.1831 / Virus Database: 2092/4560 - Release
> Date: 10/18/11
> 
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[meteorite-list] Impact modelling, Planet formation, etc.

[David R. Vann]

Of possible interest:

Antipodal focusing of seismic waves due to large meteorite impacts on Earth
Matthias A. Meschede, Conor L. Myhrvold, Jeroen Tromp
Geophysical Journal International
Volume 187, Issue 1, pages 529–537, October 2011
DOI: 10./j.1365-246X.2011.05170.x

Summary:

We examine focusing of seismic waves at the antipode of large terrestrial 
meteorite impacts, using the Chicxulub impact as our case study. Numerical 
simulations are based on a spectral-element method, representing the impact as 
a Gaussian force in time and space. Simulating the impact as a point source at 
the surface of a spherically symmetric earth model results in deceptively large 
peak displacements at the antipode. Earth’s ellipticity, lateral heterogeneity 
and a spatially distributed source limit high-frequency waves from 
constructively interfering at the antipode, thereby reducing peak displacement 
by a factor of 4. Nevertheless, for plausible impact parameters, we observe 
peak antipodal displacements of ∼4 m, dynamic stresses in excess of 15 bar, and 
strains of 2 × 10−5 . Although these values are significantly lower than prior 
estimates, mainly based on a point source in a spherically symmetric earth 
model, wave interference en route to the antipode induces ‘channels’ of peak 
stress that are five times greater than in surrounding areas. Underneath the 
antipode, we observed ‘chimneys’ of peak stress, strain and velocity, with peak 
values exceeding 50 bar, 10−5 and 0.1 m s−1, respectively. Our results put 
quantitative constraints on the feasibility of impact-induced antipodal 
volcanism and seismicity, as well as mantle plume and hotspot formation.



R&D Daily summary article:

Princeton model shows fallout of a giant meteorite strike
Seeking to better understand the level of death and destruction that would 
result from a large meteorite striking the Earth, Princeton University 
researchers have developed a new model that can not only more accurately 
simulate the seismic fallout of such an impact, but also help reveal new 
information about the surface and interior of planets based on past collisions. 

Princeton researchers created the first model to take into account Earth's 
elliptical shape, surface features and ocean depths in simulations of how 
seismic waves generated by a meteorite collision would spread across and within 
the planet. Current projections rely on models of a featureless spherical world 
with nothing to disrupt the meteorite's impact, the researchers report in 
Geophysical Journal International.

The researchers—based in the laboratory of Jeroen Tromp, the Blair Professor of 
Geology in Princeton's Department of Geosciences—simulated the meteorite strike 
that caused the Chicxulub crater in Mexico, an impact 2 million times more 
powerful than a hydrogen bomb that many scientists believe triggered the mass 
extinction of the dinosaurs 65 million years ago. The team's rendering of the 
planet showed that the impact's seismic waves would be scattered and unfocused, 
resulting in less severe ground displacement, tsunamis, and seismic and 
volcanic activity than previously theorized.

The Princeton simulations also could help researchers gain insight into the 
unseen surface and interior details of other planets and moons, the authors 
report. The simulations can pinpoint the strength of the meteorite's antipodal 
focus—the area of the globe opposite of the crater where the energy from the 
initial collision comes together like a second, smaller impact. The researchers 
found this point is determined by how the features and composition of the 
smitten orb direct and absorb the seismic waves. Scientists could identify the 
planet or moon's characteristics by comparing a crater to the remnants of the 
antipodal point and calculating how the impact waves spread.

Lead author Matthias Meschede of the University of Munich developed the model 
at Princeton through the University's Visiting Student Research Collaborators 
program with co-authors Conor Myhrvold, who earned his bachelor's degree from 
Princeton in 2011, and Tromp, who also is director of Princeton's Institute for 
Computational Science and Engineering and a professor of applied and 
computational mathematics. Meschede describes the findings as follows:

"We have developed the first model to account for how Earth's surface features 
and shape would influence the spread of seismic activity following a meteorite 
impact. For the Earth, these calculations are usually made using a smooth, 
perfect sphere model, but we found that the surface features of a planet or a 
moon have a huge effect on the aftershock a large meteorite will have, so it's 
extremely important to take those into account.

"After a meteorite impact, seismic waves travel outward across the Earth's 
surface like after a stone is thrown in water. These waves travel all the way 
around the globe and meet in 

[meteorite-list] Searching radar data for 10/19/2011 Nebraska meteor

[Matson, Robert D.]

Nothing on the Hastings radar either:

http://ftp3.ncdc.noaa.gov/pub/has/HAS002324634/

--Rob

-Original Message-
From: Matson, Robert D. 
Sent: Thursday, October 20, 2011 12:25 PM
To: meteorite-list@meteoritecentral.com
Subject: Link for North Platte, Nebraska radar data

If anyone wants the North Platte, Nebraska, radar data for the time in
question, you can download it from this link:

http://ftp3.ncdc.noaa.gov/pub/has/HAS002324615/

Don't see anything obvious in it.  Checking Hastings, NE data next...
--Rob

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[meteorite-list] Herschel Space Observatory Finds Oceans of Water in Planet-Forming Disk Around Nearby Star

[Ron Baalke]

Oct. 20, 2011

Trent J. Perrotto 
Headquarters, Washington 
202-358-0321 
trent.j.perro...@nasa.gov 

Whitney Clavin 
Jet Propulsion Laboratory, Pasadena, Calif. 
818-354-4673 
whitney.cla...@jpl.nasa.gov 

RELEASE: 11-355

HERSCHEL SPACE OBSERVATORY FINDS OCEANS OF WATER IN PLANET-FORMING DISK AROUND 
NEARBY STAR

WASHINGTON -- Using data from the Herschel Space Observatory, 
astronomers have detected for the first time cold water vapor 
enveloping a dusty disk around a young star. The findings suggest 
that this disk, which is poised to develop into a solar system, 
contains great quantities of water, suggesting that water-covered 
planets like Earth may be common in the universe. Herschel is a 
European Space Agency mission with important NASA contributions. 

Scientists previously found warm water vapor in planet-forming disks 
close to a central star. Evidence for vast quantities of water 
extending out into the cooler, far reaches of disks where comets take 
shape had not been seen until now. The more water available in disks 
for icy comets to form, the greater the chances that large amounts 
eventually will reach new planets through impacts. 

"Our observations of this cold vapor indicate enough water exists in 
the disk to fill thousands of Earth oceans," said astronomer Michiel 
Hogerheijde of Leiden Observatory in The Netherlands. Hogerheijde is 
the lead author of a paper describing these findings in the Oct. 21 
issue of the journal Science. 

The star with this water-logged disk, called TW Hydrae, is 10 million 
years old and located about 175 light-years away from Earth, in the 
constellation Hydra. The frigid watery haze detected by Hogerheijde 
and his team is thought to originate from ice-coated grains of dust 
near the disk's surface. Ultraviolet light from the star causes some 
water molecules to break free of this ice, creating a thin layer of 
gas with a light signature detected by Herschel's Heterodyne 
Instrument for the Far-Infrared, or HIFI. 

"These are the most sensitive HIFI observations to-date," said Paul 
Goldsmith, NASA project scientist for the Herschel Space Observatory 
at the agency's Jet Propulsion Laboratory in Pasadena, Calif. "It is 
a testament to the instrument-builders that such weak signals can be 
detected." 

TW Hydrae is an orange dwarf star, somewhat smaller and cooler than 
our yellow-white sun. The giant disk of material that encircles the 
star has a size nearly 200 times the distance between Earth and the 
sun. Over the next few million years, astronomers believe matter 
within the disk will collide and grow into planets, asteroids and 
other cosmic bodies. Dust and ice particles will assemble as comets. 

As the new solar system evolves, icy comets are likely to deposit much 
of the water they contain on freshly created worlds through impacts, 
giving rise to oceans. Astronomers believe TW Hydrae and its icy disk 
may be representative of many other young star systems, providing new 
insights on how planets with abundant water could form throughout the 
universe. 

Herschel is a European Space Agency cornerstone mission launched in 
2009, carrying science instruments provided by consortia of European 
institutes. NASA's Herschel Project Office based at JPL contributed 
mission-enabling technology for two of Herschel's three science 
instruments. The NASA Herschel Science Center, part of the Infrared 
Processing and Analysis Center at the California Institute of 
Technology in Pasadena, supports the U.S. astronomical community. 
Caltech manages JPL for NASA. 

For NASA's Herschel website, visit:   

http://www.nasa.gov/herschel 

For ESA's Herschel website, visit:   

http://www.esa.int/SPECIALS/Herschel/index.html 

-end-

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[meteorite-list] Link for North Platte, Nebraska radar data

[Matson, Robert D.]

If anyone wants the North Platte, Nebraska, radar data for the time in
question, you can download it from this link:

http://ftp3.ncdc.noaa.gov/pub/has/HAS002324615/

Don't see anything obvious in it.  Checking Hastings, NE data next... --Rob

-Original Message-
From: meteorite-list-boun...@meteoritecentral.com 
[mailto:meteorite-list-boun...@meteoritecentral.com] On Behalf Of Chris Peterson
Sent: Thursday, October 20, 2011 9:31 AM
To: meteorite-list@meteoritecentral.com
Subject: Re: [meteorite-list] Ft. Collins, CO meteor 19OCT2011

I have a very bright event from the camera at the Denver Museum of 
Nature and Science. It was at 2011-10-19 02:25:00 MDT, and right on the 
horizon at an azimuth of 58°, nearly as bright as the Moon. Using a 
guess/estimate for height suggests the meteor was over the Middle of 
Nowhere, Nebraska, roughly between Denver and Sioux Falls, SD.

Chris

***
Chris L Peterson
Cloudbait Observatory
http://www.cloudbait.com

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Re: [meteorite-list] Ft. Collins, CO meteor 19OCT2011

[Chris Peterson]

Note that all the meteor data is online, including the camera locations, 
at http://meteor.cloudbait.com. This specific event is at 
http://www.cloudbait.com/meteor/data.php?recnum=43810


The DMNS camera is at N39.747383 W104.941917

Chris


***
Chris L Peterson
Cloudbait Observatory
http://www.cloudbait.com

On 10/20/2011 10:33 AM, drtanuki wrote:

Perfect!  Thank you Chris. May I have the coords for your camera?  Thank you in 
advance.  Dirk...Tokyo


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[meteorite-list] Unique “impactites” From the French Coast

[Paul H.]

EARTH: D-Day's legacy sands, Eureka Alert
http://www.eurekalert.org/pub_releases/2011-05/agi-edl053111.php

D-Day's Legacy: Remnants of invasion linger in beach sands
Earth Magazine, American geological Institute
http://www.earthmagazine.org/earth/article/451-7db-5-1b

the paper is:

McBride, E. F., and M. D. Picard, 2011, Shrapnel in Omaha 
Beach Sand. The Sedimentary Record. vol. 9, no. 3, pp. 4-8.

PDF file at:
http://sepm.org/CM_Files/SedimentaryRecord/SedRecord%209-3.pdf
http://www.sepm.org/pages.aspx?pageid=37

The “Sedimentary Record” also has an article that discusses 
extraterretrial impactites. It is:

Horton, J. W., Jr., K. R. Evans, M. F. Thompson, and J. E. 
Warme, 2005, The Sedimentary Record of Meteorite 
Impacts: An SEPM Research Conference. The Sedimentary
Record. vol. 3 no. 1, pp. 4-8.

PDF file at:
http://www.sepm.org/CM_Files/SedimentaryRecord/sedrecord3.1.pdf
http://www.sepm.org/pages.aspx?pageid=37

Yours,

Paul H.
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[meteorite-list] Mars Rover Carries Device for Underground Scouting (MSL)

[Ron Baalke]

http://www.jpl.nasa.gov/news/news.cfm?release=2011-325  

Mars Rover Carries Device for Underground Scouting
Jet Propulsion Laboratory
October 20, 2011

An instrument on NASA's Mars rover Curiosity can check for any water
that might be bound into shallow underground minerals along the rover's
path.

"If we conclude that there is something unusual in the subsurface at a
particular spot, we could suggest more analysis of the spot using the
capabilities of other instruments," said this instrument's principal
investigator, Igor Mitrofanov of the Space Research Institute, Russia.

The Mars Science Laboratory mission will use 10 instruments on Curiosity
to investigate whether the area selected for the mission has ever
offered environmental conditions favorable for life and favorable for
preserving evidence about life.

"The strength of Mars Science Laboratory is the combination of all the
instruments together," Mitrofanov added.

The Dynamic Albedo of Neutrons instrument, or DAN, will scout for
underground clues to a depth of about 20 inches (50 centimeters). The
Russian Federal Space Agency contributed it to NASA as part of a broad
collaboration between the United States and Russia in the exploration of
space. Sergey Saveliev, deputy head of the Russian Federal Space Agency,
emphasized that the cooperation on this project serves as a continuation
of the joint activities associated with the study of Mars to enhance the
scientific return to the international community in the areas of Mars
exploration and Mars knowledge. The accommodation and integration of the
Russian DAN in the U.S. Mars Science Laboratory flight and mission
systems give evidence of strengthening cooperation between the two
countries in space endeavors.

DAN will bring to the surface of Mars an enhancement of nuclear
technology that has already detected Martian water from orbit. "Albedo"
in the instrument's name means reflectance -- in this case, how original
high-energy neutrons injected into the ground bounce off atomic nuclei
in the ground. Neutrons that collide with hydrogen atoms bounce off with
a characteristic decrease in energy, similar to how one billiard ball
slows after colliding with another. By measuring the energies of the
neutrons leaking from the ground, DAN can detect the fraction that was
slowed in these collisions, and therefore the amount of hydrogen.

Oil prospectors use this technology in instruments lowered down
exploration holes to detect the hydrogen in petroleum. Space explorers
have adapted it for missions to the moon and Mars, where most hydrogen
is in water ice or in water-derived hydroxyl ions. 

Mitrofanov is the principal investigator for a Russian instrument on
NASA's Mars Odyssey orbiter, the high-energy neutron detector (HEND),
which measures high energy of neutrons coming from Mars. In 2002, it and
companion instruments on Odyssey detected hydrogen interpreted as
abundant underground water ice close to the surface at high latitudes.
That discovery led to NASA's Phoenix Mars Lander going to far northern
Mars in 2008 and confirming the presence of water ice.

"You can think of DAN as a reconnaissance instrument," Mitrofanov said.
Just as Phoenix investigated what Odyssey detected, Curiosity can use
various tools to investigate what DAN detects. The rover has a soil
scoop and can also dig with its wheels. Its robotic arm can put samples
into instruments inside the rover for thorough analyses of ingredients.
Rock formations that Curiosity's cameras view at the surface can be
traced underground with DAN, enhancing the ability of scientists to
understand the geology.

The neutron detectors on Odyssey rely on galactic cosmic rays hitting
Mars as a source of neutrons. DAN can work in a passive mode relying on
cosmic rays, but it also has its own pulsing neutron generator for an
active mode of shooting high-energy neutrons into the ground. In active
mode, it is sensitive enough to detect water content as low as one-tenth
of one percent in the ground beneath the rover. 

The neutron generator is mounted on Curiosity's right hip. A module with
two neutron detectors is mounted on the left hip. With pulses lasting
about one microsecond and repeated as frequently as 10 times per second,
key measurements by the detectors are the flux rate and delay time of
moderated neutrons with different energy levels returning from the
ground. The generator will be able to emit a total of about 10 million
pulses during the mission, with about 10 million neutrons at each pulse.

"We have a fixed number of about 10 million shots, so one major
challenge is to determine our strategy for how we will use them," said
Maxim Litvak, leading scientist of the DAN investigation from the Space
Research Institute.

Operational planning anticipates using DAN during short pauses in drives
and while the rover is parked. It will check for any changes or trends
in subsurface hydrogen content, from place to place along the traverse.
Because there is a low p

Re: [meteorite-list] Ft. Collins, CO meteor 19OCT2011

[Ruben Garcia]

Any good radar yet?  If so, I'm ready to go!

On Thu, Oct 20, 2011 at 9:33 AM, drtanuki  wrote:
> Perfect!  Thank you Chris. May I have the coords for your camera?  Thank you 
> in advance.  Dirk...Tokyo
>
> --- On Fri, 10/21/11, Chris Peterson  wrote:
>
>> From: Chris Peterson 
>> Subject: Re: [meteorite-list] Ft. Collins, CO meteor 19OCT2011
>> To: meteorite-list@meteoritecentral.com
>> Date: Friday, October 21, 2011, 1:30 AM
>> I have a very bright event from the
>> camera at the Denver Museum of
>> Nature and Science. It was at 2011-10-19 02:25:00 MDT, and
>> right on the
>> horizon at an azimuth of 58°, nearly as bright as the
>> Moon. Using a
>> guess/estimate for height suggests the meteor was over the
>> Middle of
>> Nowhere, Nebraska, roughly between Denver and Sioux Falls,
>> SD.
>>
>> Chris
>>
>> ***
>> Chris L Peterson
>> Cloudbait Observatory
>> http://www.cloudbait.com
>>
>> On 10/20/2011 10:05 AM, drtanuki wrote:
>> > Bob,  What do you need for a scream?
>> > Please list your scream requirements.
>> >
>> > The event was seen in an area approximately 880 miles
>> X 800 miles X 800 miles; the size of the event is
>> noteable.  The Lincoln Nebraska Airport video shows
>> fragmentation.  Several witnesses report
>> fragmentation.  There is a good chance that the KC
>> Airport Downtown has a video as well. Manitoba Allsky maybe
>> caught it?   I haven`t checked with Chris
>> Peterson but there is a chance he captured it as well?
>> >
>> > Space trash unlikely from what I see in the video and
>> from witness reports... wrong speed and character.
>> >
>> >    I say get busy, do your homework and make
>> some calls.  More reports will filter out later today
>> when I have time to post them.
>> > Best Regards, Dirk Ross...Tokyo
>> >
>> > Ft. Collins dude hasn`t replied to my clarification
>> questions.
>> >
>> __
>> Visit the Archives at 
>> http://www.meteoritecentral.com/mailing-list-archives.html
>> Meteorite-list mailing list
>> Meteorite-list@meteoritecentral.com
>> http://six.pairlist.net/mailman/listinfo/meteorite-list
>>
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> http://six.pairlist.net/mailman/listinfo/meteorite-list
>



-- 
Rock On!

Ruben Garcia

Website: http://www.mr-meteorite.net
Articles: http://www.meteorite.com/blog/
Videos: http://www.youtube.com/profile?user=meteorfright#p/u
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Re: [meteorite-list] Ft. Collins, CO meteor 19OCT2011

[drtanuki]

Perfect!  Thank you Chris. May I have the coords for your camera?  Thank you in 
advance.  Dirk...Tokyo

--- On Fri, 10/21/11, Chris Peterson  wrote:

> From: Chris Peterson 
> Subject: Re: [meteorite-list] Ft. Collins, CO meteor 19OCT2011
> To: meteorite-list@meteoritecentral.com
> Date: Friday, October 21, 2011, 1:30 AM
> I have a very bright event from the
> camera at the Denver Museum of 
> Nature and Science. It was at 2011-10-19 02:25:00 MDT, and
> right on the 
> horizon at an azimuth of 58°, nearly as bright as the
> Moon. Using a 
> guess/estimate for height suggests the meteor was over the
> Middle of 
> Nowhere, Nebraska, roughly between Denver and Sioux Falls,
> SD.
> 
> Chris
> 
> ***
> Chris L Peterson
> Cloudbait Observatory
> http://www.cloudbait.com
> 
> On 10/20/2011 10:05 AM, drtanuki wrote:
> > Bob,  What do you need for a scream?
> > Please list your scream requirements.
> >
> > The event was seen in an area approximately 880 miles
> X 800 miles X 800 miles; the size of the event is
> noteable.  The Lincoln Nebraska Airport video shows
> fragmentation.  Several witnesses report
> fragmentation.  There is a good chance that the KC
> Airport Downtown has a video as well. Manitoba Allsky maybe
> caught it?   I haven`t checked with Chris
> Peterson but there is a chance he captured it as well?
> >
> > Space trash unlikely from what I see in the video and
> from witness reports... wrong speed and character.
> >
> >    I say get busy, do your homework and make
> some calls.  More reports will filter out later today
> when I have time to post them.
> > Best Regards, Dirk Ross...Tokyo
> >
> > Ft. Collins dude hasn`t replied to my clarification
> questions.
> >
> __
> Visit the Archives at 
> http://www.meteoritecentral.com/mailing-list-archives.html
> Meteorite-list mailing list
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> http://six.pairlist.net/mailman/listinfo/meteorite-list
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Re: [meteorite-list] Ft. Collins, CO meteor 19OCT2011

[Chris Peterson]

I have a very bright event from the camera at the Denver Museum of 
Nature and Science. It was at 2011-10-19 02:25:00 MDT, and right on the 
horizon at an azimuth of 58°, nearly as bright as the Moon. Using a 
guess/estimate for height suggests the meteor was over the Middle of 
Nowhere, Nebraska, roughly between Denver and Sioux Falls, SD.


Chris

***
Chris L Peterson
Cloudbait Observatory
http://www.cloudbait.com

On 10/20/2011 10:05 AM, drtanuki wrote:

Bob,  What do you need for a scream?
Please list your scream requirements.

The event was seen in an area approximately 880 miles X 800 miles X 800 miles; 
the size of the event is noteable.  The Lincoln Nebraska Airport video shows 
fragmentation.  Several witnesses report fragmentation.  There is a good chance 
that the KC Airport Downtown has a video as well. Manitoba Allsky maybe caught 
it?   I haven`t checked with Chris Peterson but there is a chance he captured 
it as well?

Space trash unlikely from what I see in the video and from witness reports... 
wrong speed and character.

   I say get busy, do your homework and make some calls.  More reports will 
filter out later today when I have time to post them.
Best Regards, Dirk Ross...Tokyo

Ft. Collins dude hasn`t replied to my clarification questions.


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Re: [meteorite-list] Ft. Collins, CO meteor 19OCT2011

[drtanuki]

Bob,  What do you need for a scream?  
Please list your scream requirements.

The event was seen in an area approximately 880 miles X 800 miles X 800 miles; 
the size of the event is noteable.  The Lincoln Nebraska Airport video shows 
fragmentation.  Several witnesses report fragmentation.  There is a good chance 
that the KC Airport Downtown has a video as well. Manitoba Allsky maybe caught 
it?   I haven`t checked with Chris Peterson but there is a chance he captured 
it as well?

Space trash unlikely from what I see in the video and from witness reports... 
wrong speed and character.

  I say get busy, do your homework and make some calls.  More reports will 
filter out later today when I have time to post them.  
Best Regards, Dirk Ross...Tokyo

Ft. Collins dude hasn`t replied to my clarification questions.

--- On Thu, 10/20/11, Bob Loeffler  wrote:

> From: Bob Loeffler 
> Subject: Re: [meteorite-list] Ft. Collins, CO meteor 19OCT2011
> To: "'drtanuki'" , meteorite-list@meteoritecentral.com
> Date: Thursday, October 20, 2011, 11:25 PM
> Hi Dirk and list,
> 
> I was excited/hopeful to read about this, but unfortunately
> nothing about
> that report screams "Meteorites are possible" to me. 
> Just a bright,
> short-lived meteor in my mind.  And this quote doesn't
> make sense to me:  "I
> was facing almost directly North West, the meteor was
> moving to the left
> (north)".  If it was moving to the left, wouldn't that
> be west or south or
> southwest?  North would be to his RIGHT.
> 
> Regards,
> 
> Bob
> 
> 
> -Original Message-
> From: meteorite-list-boun...@meteoritecentral.com
> [mailto:meteorite-list-boun...@meteoritecentral.com]
> On Behalf Of drtanuki
> Sent: Wednesday, October 19, 2011 3:32 AM
> To: meteorite-list@meteoritecentral.com
> Subject: [meteorite-list] Ft. Collins, CO meteor 19OCT2011
> 
> Dear List,  There was a bright fireball just reported
> from Ft. Collins,
> Colorado in the US,
> http://lunarmeteoritehunters.blogspot.com/2011/10/ft-collins-colorado-bright
> -neon-green.html
> 
> Best Regards, Dirk Ross...Tokyo
> __
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> 
> -
> No virus found in this message.
> Checked by AVG - www.avg.com
> Version: 2012.0.1831 / Virus Database: 2092/4560 - Release
> Date: 10/18/11
> 
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Re: [meteorite-list] Space Debris map

[Chris Peterson]

It's a consideration, but space debris is readily distinguishable from 
natural meteors given good witness reports, and I'd consider it a bit 
foolish to be hopping on any planes without good witness reports or 
other data.


Even so, the ratio of space debris to natural meteors is very small, so 
it doesn't need to be a major concern.


Chris

***
Chris L Peterson
Cloudbait Observatory
http://www.cloudbait.com

On 10/20/2011 8:13 AM, wahlpe...@aol.com wrote:

Hi All,

I found this map of all this space debris and I couldn't help but wonder
if some of this space debris could resemble a meteor crashing to earth.
Something to think about before hopping on a plane to investigate a
fireball report.

Sonny


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[meteorite-list] Munich

[Peter Davidson]

Greetings Earthlings

Munich is just a week away and I thought I would let people know that I will be 
there as usual and if anyone wants to meet up for a beer and a chin-wag, just 
let me know and I would be delighted to see you.

Hope to see you soon

Peter Davidson
Curator of Minerals
 
Department of Natural Sciences
National Museums Collection Centre
242 West Granton Road
Edinburgh  EH5 1JA
Scotland
Tel: 00 44 131 247 4283
E-mail: p.david...@nms.ac.uk

The National Museum of Scotland is now open. Thousands of new discoveries in 
our bigger, better museum. www.nms.ac.uk/scotland 


National Museums Scotland, Scottish Charity, No. SC 011130
This communication is intended for the addressee(s) only. If you are not the 
addressee please inform the sender and delete the email from your system. The 
statements and opinions expressed in this message are those of the author and 
do not necessarily reflect those of National Museums Scotland. This message is 
subject to the Data Protection Act 1998 and Freedom of Information (Scotland) 
Act 2002. No liability is accepted for any harm that may be caused to your 
systems or data by this message.
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Re: [meteorite-list] Ft. Collins, CO meteor 19OCT2011

[Bob Loeffler]

Hi Dirk and list,

I was excited/hopeful to read about this, but unfortunately nothing about
that report screams "Meteorites are possible" to me.  Just a bright,
short-lived meteor in my mind.  And this quote doesn't make sense to me:  "I
was facing almost directly North West, the meteor was moving to the left
(north)".  If it was moving to the left, wouldn't that be west or south or
southwest?  North would be to his RIGHT.

Regards,

Bob


-Original Message-
From: meteorite-list-boun...@meteoritecentral.com
[mailto:meteorite-list-boun...@meteoritecentral.com] On Behalf Of drtanuki
Sent: Wednesday, October 19, 2011 3:32 AM
To: meteorite-list@meteoritecentral.com
Subject: [meteorite-list] Ft. Collins, CO meteor 19OCT2011

Dear List,  There was a bright fireball just reported from Ft. Collins,
Colorado in the US,
http://lunarmeteoritehunters.blogspot.com/2011/10/ft-collins-colorado-bright
-neon-green.html

Best Regards, Dirk Ross...Tokyo
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-
No virus found in this message.
Checked by AVG - www.avg.com
Version: 2012.0.1831 / Virus Database: 2092/4560 - Release Date: 10/18/11

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[meteorite-list] Space Debris map

[wahlperry]

Hi All,

I found this map of all this space debris and I couldn't help but 
wonder if some of this space debris could resemble a meteor crashing to 
earth. Something to think about before hopping on a plane to 
investigate a

fireball report.

Sonny

http://orbitaldebris.jsc.nasa.gov/photogallery/beehives.html
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Re: [meteorite-list] Falling Satellite ROSAT Hurtling Toward Earth

[Kelly Beatty]

Jim and list...

the everyday media have overlooked an important aspect of the Rosat-reentry
story, namely, that the entire telescope assembly (1.6 metric tons of carbon
fiber and Zerodur ceramic glass) is predicted to land intact. think "Mini
Cooper" falling from the sky" and you get the general idea. it took a lot of
digging and coaxing with German and ESA officials, but they've confirmed this
reality to me, as related here:
http://www.skyandtelescope.com/news/132109883.html

of course, it remains the case that the chance of it striking a populated area
is very, very, very small.


clear skies,
Kelly


J. Kelly Beatty
Senior Contributing Editor
SKY & TELESCOPE
617-416-9991
SkyandTelescope.com

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Re: [meteorite-list] Meteorite Picture of the Day

[David R Childs]

Nice one!  Puts my little 1.65gm to shame!

David R Childs
IMCA 5112
- Original Message - 
From: 

To: 
Sent: Thursday, October 20, 2011 12:00 PM
Subject: [meteorite-list] Meteorite Picture of the Day



Conception Junction

http://www.tucsonmeteorites.com/mpod.asp
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[meteorite-list] Meteorite Picture of the Day

[valparint]

Conception Junction

http://www.tucsonmeteorites.com/mpod.asp
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[meteorite-list] Huge Meteor May have Produced Meteorites?

[drtanuki]

Dear List,
  A series of photos from the Lincoln Nebraska Airport indicates that the large 
meteor seen from at least nine US states and Manitoba, Canada may have produced 
meteorites:
http://lunarmeteoritehunters.blogspot.com/2011/10/mbiq-indicates-large-meteor-event-south.html

Best Regards, Dirk Ross...Tokyo
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