Anne:
I was aware of this article, but thanks for the quote from it. So comets
have enough metal to make tools. I guess I have been wrong all these years!
Larry Lebofsky
On Thu, Sep 28, 2023, 7:22 AM Anne Black via Meteorite-list <
meteorite-list@meteoritecentral.com> wrote:
&
>From the pictures in the Space.com article, the meteorite that is
referenced in article is probably the Cape Your Iron.
Larry Lebofsky
> This is interesting. :-)
>
> Scientists Spot What May Be a Giant Impact Crater
> Hidden Under Greenland Ice By Meghan Bartels,
> Space.com,
Hi Rob:
Did you remember an object is only illuminated by the Sun half the time?
Larry
> Hi All,
>
> Playing Devil's Advocate, I decided to try coming up with a scenario that
> attempts to maximize the
> thermal equilibrium temperature of a chondritic meteoroid just prior to
> encountering the
Sterling and Paul:
There were also two conferences (at least) on lunar habitats that
discussed the existence and use of lava tubes that were held in 1986 and
1988 (we were "designing" these in our education workshops in the early
90s). Heinlein wrote several books about underground lunar habitats
Hi Everyone:
I am trying to compile a list of craters that have meteorites associated
with them. Of the 188 impact craters that have been identified, how many
have associated meteorites?
Thanks
Larry Lebofsky
__
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ke 80 times the mass of the
Earth, nearly the mass of Saturn, to be able to clear its orbit.
So, if there is an object that is as big as they say and at the distance
the predict (this is just a mathematical model, not an actual discovery),
this object would just be a VERY BIG dwarf planet!!
Larry
Hello Ruben:
1 Ceres. That was how we met David Levy who saw our car on the road and
made us pull over so that he could introduce himself (several years before
Comet Shoemaker Levy 9). He wanted to make sure that we submitted a
picture for an article that was coming out in Sky and Telescope.
Hello everyone:
A few days ago, I received a question from a friend of mine in Florida.
His all-sky camera had picked up a -18 magnitude fireball on Nov. 10 and
he was wondering how that translates to the size of the object that
produced it. I told him that velocity was a major factor, but would
mineral ID. Someone please correct me if this is wrong.
Larry Lebofsky
> Hello fellow meteorite (and asteroid) aficionados,
>
> Yes. There is a mapping spectrometer in the visual and infrared on board
> the Dawn spacecraft:
>> VIR, the hyperspectral imaging
>> spectrometer onboa
Hi Shawn:
The short answer is, unfortunately, probably not.
Ceres generally looks similar (but not a match) to CIs and CMs (clay
minerals). This we have known for many years. However, there also seems to
be brucite (magnesium hydroxide) which is an indication of low temperature
hydrothermal
Hi Mike:
Two short answers:
1. Closest to the CI chondrites
2. Probably no meteorites from Ceres: nothing looks quite like it and I
think it is not near a resonance that would easily ship chunks of Ceres to
Earth (unlike Vesta).
Larry
Hi List,
Has Ceres ever been connected to any type of
I used to use their articles in my class and at teacher workshops:
WWII bomber found in a lunar crater (the plane was about the size of the
100 km diameter crater)
I did a teacher workshop about observing the Moon and told them that this
would be their last chance to observe the Moon with their
Ed
I used to be an editor and need to correct your last sentence. A few
letters missing and a grammar correction. Photos don't lie should have
been Photoshop doesn't lie.
Larry
Paul, most of what The Weekly World News is fabricated, tongue-in-cheek
humor. I used to read the front page
Graham:
I am amazed by how cratered (old) the surface looks. I am still
personally very interested in how bright the whitish areas actually are.
Icy?
Larry
Wonderful!...now seeing good detail...can't wait for a closer look and
the data analysis.
Graham
On Tue, Feb 17, 2015 at 4:44 PM,
Hi Graham:
The average albedo of Ceres is about 0.09, i.e., it reflects 9% of the
light. Sort of gray. This is from telescopic observations, not Dawn. I
think that makes it at least 50% more reflective than Comet
67P/ChuryumovGerasimenko. Most dark asteroids have albedos of about
0.05. The best
It rains in Tucson in the summer! A great example of observational bias.
Larry
List,
Some of you may find this information very interesting!
NEO Asteroids Close Approach Data 2000-2014 Graphs and Analysis 10 LD -
0.1 LD
©2015 23.1.15- ANALYSIS by ESSICO / LUNAR METEORITE HUNTER
Source
Dirk
This is the TOTAL number of all asteroids that have been observed, not
just NEOs.
Larry
List,
Some incoming perhaps mostly not.
WOW! 8,461 NEOs Discovered Since 01JAN2015
http://lunarmeteoritehunters.blogspot.jp/2015/01/high-number-of-recently-discovered-neo.html
Thank you to the
Here is the abstract to the original paper published in Science in 1970.
Asteroid vesta: spectral reflectivity and compositional implications.
McCord TB, Adams JB, Johnson TV.
Abstract
The spectral reflectivity (0.30 to 1.10 microns) of several asteroids has
been measured for the first time.
Hi Kelly:
Thanks for posting this.
I have not read the original article, but I assume that when they present
measurements from asteroids, this is really measurements from meteorites
which came from asteroids.
Larry
hi, Michael...
I am curious how such a definitive conclusion can be reached
And the Sun is a dwarf star, Sterling.
Larry
List,
The argument about Pluto The Planet
or Pluto The Small Body continues:
http://www.travelerstoday.com/articles/12524/20141002/pluto-planet-again-sta
tus-2014-still-undecided-astronomy-debate-ongoing.htm
The Harvard-Smithsonian Center
Hi Art:
But not the first meteorite to be brought back to space from the Earth. If
I remember correctly, about 20 years ago (do not remember which mission)
Tom Jones brought a meteorite (do not remember what it was) up in the
Shuttle. It may have been the same flight that he brought a Zuni Fetish
Hi Mike:
That is not what the press release says.
It is still thought that the KT impactor was carbonaceous. There was also
thought, based on being dark and formation age of the BAF (when the parent
body was disrupted), that the BAF was the source of the KT impactor.
However, there is a better
Hi all
We were just told about a meteorite that was found in a park in Croatia
back in 2008 or 2009. Does anyone know the name of it and where it is now?
Thanks
Larry Lebofsky
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Visit the Archives at http://www.meteorite-list-archives.com
Hi Jim:
From a local, I am looking forward to seeing old friends and other locals
who I do not see very often. By Saturday February 1, it will have cooled
down to a high of 71 (it may hit 80 at the end of the month) and there is
a small chance of rain (should we blame those Colorado folks who
I have several pieces that look just like that in my yard and agree with
Mendy, quartz.
Larry Lebofsky
Looks like quartz to me.
Mendy Ouzillou
From: Joshua Tree Earth Space Museum dori...@embarqmail.com
To: Meteorite List meteorite-list
Hi Steve:
Yes, I did see your video link. Thanks for sending that. All that this
demonstrates is that CO2 is denser than air and that, when it displaces
the oxygen, the candle goes out. So, even in this case it is not the force
of the CO2 that is putting the flame out, but the lack of oxygen.
Hi Graham and Steve:
Technically, you are wrong--CO2 sublimates (turns from solid to gas) and
does not evaporate (turns from liquid to gas). The triple point (where
solid, liquid, and gas exist)of CO2 is 5.1 atmospheres. Since the sea
level pressure on Mars is about 0.006 atmospheres, the
Hello Robert:
I had seen the movie years (decades) ago and sort of remember the ending
(have it recorded but only watched half live). They actually did try to
make it as scientifically accurate as they could. In the movie, they were
not trying to look for a metal to make their ships out of, but
Hi Gary:
We are in the midst of a crisis here in Tucson. Don McCarthy has been
given a stop work order for NIRCam (James Webb Space Telescope) which has
affected the Astronomy Camp for Girl Scout staff and volunteers that was
to be held in a little over a week. While it has not been officially
Hi Elton:
Apollos and Atens are technically groups of asteroids grouped by their
orbital parameters, only:
An Apollo asteroid has a mean distance from the Sun of more than 1.0 AU
and a perihelion (closest to the Sun) of less than 1.017 AU (Earth's
aphelion or farthest distance from the Sun), so
Hi Darryl:
Yes, a little more information would be good.
How much space (no pun) do you have (floor or table)? How interactive do
you want it to be and how many people are there to support what you do?
Some activities can be done without a person involved others need a real
person to run it.
Hi Graham:
I am far from an asteroid dynamics person, but many (but not all) asteroid
families tend to share compositional similarities and so may very well be
remnants of larger objects that have recently been broken up in a
collisional event. The families are usually (but not always) named for
will be there
with James Webb Space Telescope related activities (along with the Girl
Scouts).
Please come if you can.
http://www.astronomy.com/News-Observing/News/2013/01/Spend%20a%20day%20skywatching%20in%20Tucson.aspx
Larry Lebofsky
Dear Listees:
As most of you know, for the past thirteen
Yes, Sterling, Vesta is unique.
Besides all of the M asteroids in the asteroid belt (remnant cores of
differentiated asteroids), the iron meteorites we see today represent at
least 50 (I have seen a number exceeding 100) different differentiated
bodies. I think, that, while Vesta is clearly
Since some of you do come to Tucson, if you live in Tucson, it is likely
you will eventually get valley fever.
Larry
Dear List,
Ran across this tidbit about an unknown (to me) RISK FACTOR while Mohave
meteorite hunting (in a article about fossil bugs):
I was part of a test for a vaccine about 25 years ago (did not work). It
is interesting that, if you live here or in the Mohave area and have a
cough and fever, they will immediately test of Valley Fever (a skin test).
However, a friend of mine, who lived in the LA area, had the symptoms and
ended
Hi Chris and Gary:
Comets can be hot (actually warm) relative to the ices in them, so we
are still talking about temperatures well below the melting point of
water, at least at the distance of the Earth. Even though the ices, when
mixed with dark material (carbon, for example) could potentially
Richard:
The solar eclipse is on May 20 in the late afternoon.
http://eclipse-maps.com/Eclipse-Maps/Gallery/Pages/Annular_solar_eclipse_of_2012_May_20.html
Larry
My calander tells me that tomorrow is when! I've been so saturated with
Sutter Mill fun that I've lost track. Please chime
.).
Larry
Or NEO (175706) 1996 FG3 !
(MPOD 24 Oct 2011)
Kindest wishes
Doug
-Original Message-
From: lebofsky lebof...@lpl.arizona.edu
To: aerubin aeru...@ucla.edu
Cc: meteorite-list meteorite-list@meteoritecentral.com
Sent: Wed, May 2, 2012 11:47 pm
Subject: Re: [meteorite-list
Hi Alan:
I would agree with you on the consensus that CMs would appear to come from
asteroids. Based on spectra and albedo, CM meteorites look like C-class
(and possibly several other low-albedo classes) asteroids (very common in
the Main Belt). These are asteroid that have surface compositions
Hi Again:
One other place that seems to have abundant CM-like material, the surface
of Vesta. There are dark areas on Vesta that seem to be composed of
carbonaceous chondritic material (based again on albedo and spectrum). I
do not know all of the details (missed some of the papers at the Lunar
Stuart:
Have you ever watched any old war movies? Fighter pilots attack from the
direction of the Sun. This was a daytime fireball and so probably came in
from the sunward side, so not easy to detect.
Larry
So my question is.why didn't anyone detect this obviously huge
meteoroid
in space
Hello Everyone:
University of Arizona News just posted the following slide show about
meteorites featuring our own Dolores Hill!
http://uanews.org/node/45837
Enjoy.
Larry Lebofsky
Latest approach to dealing with asteroids...
http://www.strath.ac.uk/press/newsreleases
Hi Mike and Kelly:
There were several sessions on the Dawn mission. Unfortunately, I missed
many of them on Friday. However, what was of most interest to me is the
likelihood that the dark areas on Vesta are the remnants of low velocity
impacts by carbonaceous asteroids. Hopefully over the next
. Some of you
receive Elements as a MetSoc member you will know that it has a large
worldwide audience.
They are now planning for an issue in 2013 that will be devoted to asteroids.
Larry Lebofsky
__
Visit the Archives at http://www.meteoritecentral.com
Hi Doug:
I refer you to the February issue of Meteorite magazine (the real one):
Star Slough and Pwdre Sêr
by David Andrew White and Ángel M. Nieves-Rivera
Abstract
Nostoc commune is a species of cyanobacterium. Colonies of nostoc can form
large gelatinous masses, even growing in open-air
Hello Ed:
Did you read my email? No, it is not a hoax, just not from space. It has
been written about for something like 450 years.
Larry
Sounds like it could be Jelly Fungi. It grows in the woods behind my
house,
albeit in a slightly different form and color. Or, perhaps it is a hoax.
I did not know that Guy could make pronouncements.
I think he has always had fairly long hair, so I do wonder what he is
hiding. At least he does not wear a hat to cover a third eye on his
forehead, but who knows what his hair could hide on the back of his head!
Larry
You'll notice Brother
Benjamin and Doug:
It has been a few years since I have done any spectroscopy of asteroids.
Also, I have not seen the Rosetta spectral results to be able to judge
what they are proposing. However, even as of a year ago, there was
uncertainty with respect to the spectral classification of Lutetia.
Hi Michael:
The only thing that I would disagree with in the article has to do with
where Lutetia formed. It has a fairly low inclination and low eccentricity
(for a main belt asteroid), so I doubt there is any way that it could have
formed in the inner part of the Solar System and found its way
Hi Don
The team probably has results that would answer your questio one way or
the other. However, there is always a period of time that only those who
have been involved in the design of the instruments have exclusive access
to the results (only fair since they have dedicated years to the
Richard:
The depression is an impact feature, by far the largest relavtive to the
size of the body it hit (Vesta). It is possible that the grooves are
related to this impact (just a guess).
Larry
Howdy List,
While the 'big depression' on the Vestan south pole has been a major
focus...what
Hi Mike:
I assume that you meant to say slick (hope that I am not putting words in
your mouth).
I have played this video several times and it is clear how much can be
said about Vesta by the narrator without giving any scientific
interpretation of it! I realize that there is always the mandate
Mike:
Please remind me to eat faster next time. I was just finishing dinner at a
place just south of Phoenix or else would have been on I 10 on my way back
to Tucson at the time of the event (missed it by 10 minutes). :(
Here's an update on this fall with a google map of all the witness plots.
Hi Chris:
I rarely disagree with you, but I do this time (sort of).
There IS an option in Starry Night to look at the constellations over
time (using proper motion). The Big Dipper (an asterism, not a
constellation), looks very similar in 8,000 BCE to what it looks like
today. Chris: it is
Hi Chris:
VERY Sorry!
Just pointing out (it was sort of in the back of my mind at the time),
that Starry Night DOES have a special routine for looking at the
constellations and asterisms back in time. That was all!
If you use the Starry Night to go back 100,000 (actually the limit is
99,999
Hi Robert:
I took Starry Night, a planetarium program back about 8,000 years
(6,000 BC) and, as I would have predicted, the 7 stars in the Big Dipper
are not far off from what we see today. You would have to go back many 10s
of thousands of years in order to see a big diffence. I remember seeing
Hello Craig:
The theory of a single large object being pulled apart (or exploding as
with Krypton) was shown pretty much proven wrong more than 30 years ago.
If one looks at the various classes of asteroids, their distribution in
the asteroid belt, and potentially related meteorite types, one
Hi Elizabeth:
The big problem with cerberus is that there is already 1865 Cerberus, an
Apollo asteroid. IAU Nomenclatur Committee tries to avoid duplication like
that though there are several existing examples.
Larry
Actually, one of the discoverers (Dr. Doug Hamilton, UMaryland) has a
but
due to their science education (the husband is on the list):
3439 Lebofsky
5052 Nancyruth
Larry
There's another asteroid, that should be added to the list:
(6371) Heinlein (after Dieter Heinlein)
Best regards
Dieter
German Firebal Network
www.dlr.de/feuerkugelnetz
Silly me, I did forget one more husband/wife asteroid pair (and not on
your list, Ron). While you have Richardnorton, there is also 149243
Dorthynorton, sorry Dorthy!
Also, since you have the two other authors, before there was the Tholin
asteroid classification, there was a paper that created
Kevin
Asteroids are named by their discoverer. I am not sure what happens if
that person has passed away. So, you need someone to nominate you,
someone who has an asteroid that can be names (and does not belong to a
special family with special rules such as a trojan asteroid), and someone
to
Dan:
Nancy was thrilled when she found out the company that she was in.
5046 Carletonmoore
5048 Moriarty
5049 Sherlock
5050 Doctorwatson
5052 Nancyruth
5053 Chladni
5054 Keil
Larry
When an asteroid is discovered it is given a provisional name. The
letter after the year designates the
Richard:
The atmosphere of Pluto has been known since 1985. The reclassification of
Pluto was in 2006 and was based solely on dynamical considerations (a
sphere but has not cleared its orbit, i.e., there are other large things
in similar orbits). Its physical properties were not taken into
Hi Sterling
Sorry for taking so long in responding, but I am still catching up from
being out of email access for three days this weekend and I missed this
one.
The presence of hydrated silicates on asteroid 2 Pallas dates back to the
early 1980s and has been confirmed numerous times and
, M. A.; Larson, H. P.; LEBOFSKY, L. A. (1982).
The 3 Micron Spectrum of Asteroid 2 Pallas..
Bulletin of the American Astronomical Society 14: 719.
Unfortunately, the ADS system only gives the page with
the title at the bottom of the page and then cuts off the
article which starts on the next
Hi Shawn:
I do not think anyone responded to your question about olinive-bearing
diogenites.
Here is a links to articles:
http://www.lpi.usra.edu/meetings/lpsc2003/pdf/1502.pdf
http://www.lpi.usra.edu/meetings/lpsc2008/pdf/1835.pdf
Sorry, but have not been keeping up on the subject.
Larry
Hi Michael:
Yes, there is a smoking gun and a trail of dust, too.
Reflectance spectra of Vesta and areas of Vesta consistent with spectra of
HED meteorites and composition of HEDs.
Big crater that could be the source of said meteorites.
Vestoids in an area where asteroids can be tossed out of
Hi Sterling:
I don't like to disagree with you (YES!), but I wonder if you have ever
been on a seesaw. If you move Charon away from Pluto, the center of mass
moves away from Pluto, not toward it, you have a longer lever arm.
You actually get it right when you talk about the Moon later on! Moving
It took me less than 10 minutes and you will be limited by how fast your
Internet provider download rate is (not what they claim).
Great image.
Larry
I downloaded it last week and on Roadrunner it took 5 mins!!
STuart.
Pete Pete rsvp...@hotmail.com wrote:
Hi, all,
I suggest not
come to your
rooms would surely appreciate one of these fine cookies.
Thank you for supporting Tucsons youth as they cope in this difficult time.
Larry Lebofsky
__
Visit the Archives at http://www.meteoritecentral.com/mailing-list-archives.html
Jonathan:
The mass of the region between Mars and Jupiter is dominated by the larger
objects, so it is a belt of asteroids, an asteroid belt.
Larry
Barrett,
So is the Asteroid Belt actually;
a Meteriod Belt, an Asteriod Belt, or a Satellite Belt ? ;~}
Jonathan
- Original Message
Hello Stuart:
We have had this conversation before.
Your second question(when does an asteroid become a meteoroid): There is
no real minimum asteroid size or maximum meteoroid size. When it comes up
as a question, I usually say 5 or 10 meters is the crossover. Also, if an
asteroid gets hit by
Chris:
If it is blurry, it is called a comet! :-)
Larry
10 meters is commonly cited. But realistically, the line is a blurry one.
Chris
*
Chris L Peterson
Cloudbait Observatory
http://www.cloudbait.com
- Original Message -
From: Stuart
Last statement on this topic (to avoid more crossing emails).
The definition I have seen is that a fireball is defined as something
brighter than Venus (so yes, about -4).
Yes, the term bolide is generally avoided, but it is still used: People
who study cratering events will use the terms
Note that this new planet has a density of about 8, so not really
terrestrial as such, but more a VERY large iron!
Larry at the AAS conference
This is the top item on a list of Kepler hits waiting
to be verified by ground-based telescopes. The list is
roughly 700 hits long and we can expect a
Hi Everyone:
An update. Geoff Marcy gave an invited talk this evening at the meeting I
am at (American Astronomical Society). The density of the new planet is
8.8 +/_ 2.5 g/cc (iron meteorites are 7-8). The large uncertainty (not bad
given the size of the object) implies that the planet can be
of conduct issues at Pima
Community College where she works. Tucson is a big town yet small in many
ways.
If I hear anything else, I will let the list know, but right now, everyone
seems to be getting about the same information.
Larry Lebofsky
Thoughts and prayers to the victims
Lebofsky
I have only received the first issue, too! Still looking for issue 2!!!
John Teague
Knoxville, TN
-Original Message-
From: Leoncio Cividanes Ãlvarez supeind...@hotmail.com
Sent: Dec 14, 2010 2:45 AM
To: Meteorite list meteorite-list@meteoritecentral.com
Subject: Re: [meteorite
Lebofsky
I have only received the first issue, too! Still looking for issue 2!!!
John Teague
Knoxville, TN
-Original Message-
From: Leoncio Cividanes Ãlvarez supeind...@hotmail.com
Sent: Dec 14, 2010 2:45 AM
To: Meteorite list meteorite-list@meteoritecentral.com
Subject: Re: [meteorite
Hi Dennis:
Don't panic!
Have you ever heard of the US mail? Also this there is a holiday coming
up. When I was editor, there were a few times when I actually knew when an
issue left the printers. My impression is that foreign airmail got their
copies within a week and US subscribers could be as
That's what happens when you have a spacecraft-related paper!
Larry
IDENTIFICATION OF A NEW SPINEL-RICH LUNAR
ROCK TYPE BY THE MOON MINERALOGY MAPPER (M3)
CM Pieters, J Boardman, B Buratti, R Clark,
JP Combe, R Green, JN Goswami6 JW Head
III, M Hicks, P Isaacson, R Klima, G Kramer,
K
Mark:
Very good point!
As a grad student (long, long, ago in a distant...) I used to work with
various frozen gases, including hydrogen sulfide. It turns out to be more
dangerous/poisonous than hydrogen cyanide. However, the nose detects the
sulfide at much lower levels. The problem is that if
Thanks Bernd:
This will help a lot!
My guess is that warm means warmer than the air temperature, but
probably not much warmer than body temperature since even 15 to 20 degrees
Centigrade (125 to 135 degrees F) is considered hot.
Given that some have been said to be frosty, and one always hears
Hi Mike:
I am still a fan of cold meteorites (yes I am biased), so is it possible
that a burn is due to something very cold rather than hot?
Larry
I have a couple to add to Bernd's list. Both were picked up immediately
after the fall:
23) Lixna: Two other workers who were harrowing a nearby
Hi:
I have said this to you before that there is about zero evidence that
carbonaceous chondrites are from comets. There is only minimal evidence
that there are hydrated silicates in comets and at least the CI and CM CCs
very much aqueously altered and are consistent with an origin from C, B,
and
Hi all:
I am in the middle of a workshop on asteroids and meteorites. At the end
of the first day, the teachers get to write down questions that they would
like answered. During the session, I had said that when they land,
meteorites are cold, not burning hot. The question that was asked was how
I remember this movie from when it was first shown. It is amazing how much
bad science there is in it!
Actually, it is not an ordinary asteroid that hits the Moon, but I do not
want to give the plot away! Or the thrilling ending.
Larry
The local Syfy channel here (channel 122 Dish Network)
Hi All:
As far as I know, all we are seeing in the comet images in the jets is
dust. If you have fine dust particles and shine light on them, the
scattered light will make them stand out like that. One sees the effect in
a smokey room (or sports stadium) and I demonstrate this in a classroom by
Hi Shawn:
Do you know if this is updated from the program that is (was?) available
at the University of Arizona? Jay Melosh left UA last year to go to
Perdue, so it is probably the same program.
Larry
Hello Listers,
I post this cool program a couple weeks ago on the List the Purdue has
Since no one has picked up on this, try 16th and 17th in size (not
including the Sun). AA number of satellites, inclouding the Moon, are
larger.
larry
Hi All,
Based on observations from Chile on November 6th of the occultation of
an unnamed star by the dwarf planet Eris, it appears that the
Robert:
Do you own a CI or a CM? Then you have a meteorite with clay minerals in it!
Larry
After reading this article, I have a question:
Do we have to keep an open mind to the possibility of finding a clay
meteorite?
-- Bob V.
Hi Eric:
Murchison, as an example, contains, 12% water by weight. All of this in
clay minerals. This in not a minor component.
Larry
As I recall Tim Swindle (U of AZ) did noble gas studies of Lafayette
carbonate clays. I doubt you are going to find a big chunk of clay, it
will be a minor
Hi Carl and Bob:
Humberto Campins is in the same department as Dan Britt who has written
many papers on both asteroids and meteorites (I think he is the one who
perfected the method for measuring meteorite porosities for the work
published by Brother Guy). So, yes, Humberto does talk to meteorite
Hi Sterling:
I hope that I am not repeating something. Too many emails on too many
subjects (not all the metlist) the last few days and getting ready for a
conference.
One thing seems to be missing in these discussions; how the planets were
detected.
All of the planets in the Gliese 581 system
over as
Editor or Production Manager.
We thank all of you for your support of Meteorite magazine.
Larry and Nancy Lebofsky
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Jeff:
Why would you expect cometary dust particles to look like CIs. CIs are
aqueously altered, and there is little indication that this would happen
on a comet (though there were possible observations of this from some Deep
Impact observations). You need a good deal of heating, enough to melt
subscribe for this
year and you will receive back issues (February and May) of the magazine.
Our PayPal account is waiting for subscribers. Please send funds to
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Larry Lebofsky
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Tucson, AZ 85740-5154
We will also need
I was at the AGU meeting when these results were presented. I used to
have a picture of the meteorite in situ, with snow, tire tracks, dog paw
prints: don't eat the yellow snow.
Larry
Dear Shawn, Ed, Bob, Mike, Dieter, Martin, and other listers,
In light of the extensive and often
Hi John:
It looks like a typical rocket launch to me. In the middle, the first
plume ends and then a new one begins. This is called first stage shut down
and second stage taking over.
Larry
G'Day List
What do you think this is?
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