Re: [meteorite-list] Is there a Main Mass list?
A main mass list? Heck, there isn't even a main mass definition everybody agrees on! Here's mine: Hi Jeff, all, A main mass has some scientific value IMO in some circumstances. But really, it seems to me one of those things that we keep having to fill out on a boilerplate form that serves of little real scientific value. Better would be to drop the confusing, unfortunately now unscientfic (due to the various definitions as you already reminded us) term main mass and just have an entry called, biggest known piece = BKP which is already used analogously in the case of TKW. in the database. It's really what most collectors are interested in anyway and would create probably a bunch more of limited useful information llike the TKW's which frequently are significantly understated. My take on a 'main mass' wouldn't require it to be more than half, but rather the principal piece of the original meteoroid from which all fragmentation is derived, and the one expected to travel furthest up the dispersion ellipse's axis shedding it all. I suppose a scenario of a boulder splitting into two equal pieces would screw that up too, but then we could drop some fancier names to describe that 'degenerate' case. Just sounding off Kindest wishes Doug -Original Message- From: Jeff Grossman jngross...@gmail.com To: meteorite-list meteorite-list@meteoritecentral.com Sent: Tue, Jan 24, 2012 11:33 am Subject: Re: [meteorite-list] Is there a Main Mass list? A main mass list? Heck, there isn't even a main mass definition everybody agrees on! Here's mine: An individual stone/iron or piece of an individual stone/iron that comprises the majority ( 50%) of the known mass of a named meteorite. Jeff On 1/24/2012 10:08 AM, Bob Loeffler wrote: Hi list, After looking at Jim Strope’s photos of the New Concord main mass (Rocks from Space Picture of the Day a couple days ago) that he got in a trade with ASU (my alma mater; Go Sun Devils!), I thought of a question: Who has the most main masses in their collection? Of course, I thought of people like Bob Haag, Mike Farmer, etc and museums like the Smithsonian, ASU, etc. Has anyone ever put together such a list? Because of trading, the list might be hard to keep updated, but maybe not since main masses are coveted and might not be passed around too much. For new falls, the main mass will change as newer/bigger pieces are found, but I would think someone in the know could put together the list, or at least start it. If nobody has such a list, maybe the Meteoritical Bulletin Database could have a few more fields added for easy searching. Fields such as Main Mass Weight, Main Mass Owner and Main Mass Image (for the best photo of the main mass), and then the Owner field could be easily changed if the Meteoritical Society finds out that the main mass was sold/traded to someone else. Anyway, just a thought. In case you are wondering, I have no main masses in my collection. :-( Regards, Bob L. __ 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 __ 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 __ 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
[meteorite-list] Meteorite Picture of the Day
NWA 6326 prov. http://www.tucsonmeteorites.com/mpod.asp __ 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
[meteorite-list] Latest website update
Hi all, I have added a section on my website for meteorite artwork in my collection with of course one of the highlights being the recent addition of Jerry Armstrongs latest painting. Please take a look if interested, the direct link is below: (http://msg-meteorites.co.uk/my-collection/meteorite-artwork) Cheers Martin -- Martin Goff www.msg-meteorites.co.uk IMCA #3387 __ 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
[meteorite-list] Life in CI meteorites
Howdy, all For your reading pleasure this fine Wednesday... http://www.lpi.usra.edu/meetings/lifedetection2012/pdf/6035.pdf Cheers, Marc Fries __ 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
Re: [meteorite-list] Is there a Main Mass list?
None of this is something I want to track in the MB Database. It would be too difficult and time-consuming to track an ever-changing and often controversial list. Moreover, as you say, it isn't a particularly useful thing to tabulate. I'll leave it to collectors to take on this task. Jeff On 1/25/2012 5:15 AM, MexicoDoug wrote: A main mass list? Heck, there isn't even a main mass definition everybody agrees on! Here's mine: Hi Jeff, all, A main mass has some scientific value IMO in some circumstances. But really, it seems to me one of those things that we keep having to fill out on a boilerplate form that serves of little real scientific value. Better would be to drop the confusing, unfortunately now unscientfic (due to the various definitions as you already reminded us) term main mass and just have an entry called, biggest known piece = BKP which is already used analogously in the case of TKW. in the database. It's really what most collectors are interested in anyway and would create probably a bunch more of limited useful information llike the TKW's which frequently are significantly understated. My take on a 'main mass' wouldn't require it to be more than half, but rather the principal piece of the original meteoroid from which all fragmentation is derived, and the one expected to travel furthest up the dispersion ellipse's axis shedding it all. I suppose a scenario of a boulder splitting into two equal pieces would screw that up too, but then we could drop some fancier names to describe that 'degenerate' case. Just sounding off Kindest wishes Doug -Original Message- From: Jeff Grossman jngross...@gmail.com To: meteorite-list meteorite-list@meteoritecentral.com Sent: Tue, Jan 24, 2012 11:33 am Subject: Re: [meteorite-list] Is there a Main Mass list? A main mass list? Heck, there isn't even a main mass definition everybody agrees on! Here's mine: An individual stone/iron or piece of an individual stone/iron that comprises the majority ( 50%) of the known mass of a named meteorite. Jeff On 1/24/2012 10:08 AM, Bob Loeffler wrote: Hi list, After looking at Jim Strope’s photos of the New Concord main mass (Rocks from Space Picture of the Day a couple days ago) that he got in a trade with ASU (my alma mater; Go Sun Devils!), I thought of a question: Who has the most main masses in their collection? Of course, I thought of people like Bob Haag, Mike Farmer, etc and museums like the Smithsonian, ASU, etc. Has anyone ever put together such a list? Because of trading, the list might be hard to keep updated, but maybe not since main masses are coveted and might not be passed around too much. For new falls, the main mass will change as newer/bigger pieces are found, but I would think someone in the know could put together the list, or at least start it. If nobody has such a list, maybe the Meteoritical Bulletin Database could have a few more fields added for easy searching. Fields such as Main Mass Weight, Main Mass Owner and Main Mass Image (for the best photo of the main mass), and then the Owner field could be easily changed if the Meteoritical Society finds out that the main mass was sold/traded to someone else. Anyway, just a thought. In case you are wondering, I have no main masses in my collection. :-( Regards, Bob L. __ 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 __ 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 __ 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
[meteorite-list] Life in CI meteorites
Quick, call a press conference! Good work Marc. That it's an aqueous alteration product should have been obvious to Hoover. Phil Whitmer __ 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
Re: [meteorite-list] Meteorite Class Creation Zones
HI Pete, Is this what you are looking for? http://msg-meteorites.co.uk/my-collection/meteorite-artwork/origin-of-meteor ites Thanks, Peter -Original Message- From: meteorite-list-boun...@meteoritecentral.com [mailto:meteorite-list-boun...@meteoritecentral.com] On Behalf Of Pete Pete Sent: Tuesday, January 24, 2012 3:28 PM To: meteoritelist meteoritelist Subject: [meteorite-list] Meteorite Class Creation Zones Hi, All, I remember seeing years ago a diagram of the regions around our infant Sun where different classifications of meteorites are thought to be formed; carbonaceous in the outer regions, etc. I would be grateful if anyone could send me the jpeg, or a link to where it is currently hiding from my searches! Cheers, Pete __ 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 - No virus found in this message. Checked by AVG - www.avg.com Version: 2012.0.1901 / Virus Database: 2109/4763 - Release Date: 01/24/12 __ 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
[meteorite-list] Space Debris Experts Confirm Estimate for Phobos-Grunt Reentry
http://www.esa.int/SPECIALS/Operations/SEMMXUH8RXG_0.html Space debris experts confirm estimate for Phobos-Grunt reentry European Space Agency 25 January 2012 Before the reentry of Russia's Phobos-Grunt Mars probe on 15 January, ESA established a final prediction for reentry of 17:45 GMT, referring to an altitude of 10 km. Within the expected uncertainties, the prediction has been largely confirmed by observations. Refining the reentry estimates Following the 15 January Phobos-Grunt reentry, the US Strategic Command confirmed a reentry time of 17:46 GMT, referring to an altitude of 80 km at 46 deg S and 87 deg W, near the South American coastline. This corresponds to a pass at 10 km altitude about seven minutes later -- very close to ESA's prediction. While this was an uncontrolled reentry, the location of the potential impact area was largely over ocean, with a correspondingly low probability of any detrimental effects, said Prof. Heiner Klinkrad, Head of ESA's Space Debris Office in Darmstadt, Germany. Orbital data furnished by European sources, including France and Germany, were also used to refine the reentry estimates. ESA communicated regular updates to European civil protection authorities in the days leading up to the reentry. The US Strategic Command (US Stratcom) operates a network of radar and other sensors that also track such objects in orbit. The effort was also part of a comprehensive reentry prediction campaign for Phobos-Grunt conducted by the Inter-Agency Space Debris Coordination Committee (IADC), a technical forum for the worldwide coordination of activities related to human-made and natural debris in space. IADC is an inter-agency forum for the worldwide coordination of activities related to the issues of human-made and natural debris in space. Member agencies include ESA, NASA, European national agencies and the Russian, Chinese, Canadian, Japanese, Ukrainian and Indian space agencies. ESA contributed data and analysis In recent years, IADC members have developed a data communication network specifically supporting hazardous reentry risk assessment, which allows the exchange of tracking data and the refinement of reentry predictions. ESA contributed data to the campaign and conducted analysis of pooled contributions. The server for the network is located at ESOC, ESA's Space Operations Centre, where it is managed by the Space Debris Office. In addition to the Agency's decades-long and continuing involvement in space debris research, including modelling, protection and mitigation of debris, ESA in 2009 launched the Space Situational Awareness (SSA) Preparatory Programme. SSA -- detect, predict and asset risks SSA aims to increase Europe's capabilities to detect, predict and assess the risk to life and property for human-made space objects, reentries, on-orbit collisions, potential impacts of Near-Earth Objects, and the effects of space weather. The SSA programme aims to develop and enhance European capabilities to provide accurate tracking of potentially hazardous space objects, says Nicolas Bobrinsky, Head of the SSA Office. This will increase warning times and boost prediction accuracy, helping civil authorities to react in the most appropriate manner, protecting people and property on Earth. __ 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
[meteorite-list] Ad. Sell or trade at Tucson
I look forward to seeing many friends at Tucson. I will bring with me some meteorites to sell or trade, including a thin sliced 3.85g, approx. 1X1 slice of Barwell, the Christmas Eve fall of 1965, and some Weston. Fred Hall of Meteorhall, Colorado. Cell#303-803-0349. __ 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
[meteorite-list] MUONIONALUSTA MAN - One Wicked-Looking Meteorite Slice!
http://www.rocksfromspace.org/muonionalusta.html __ 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
[meteorite-list] Vesta Likely Cold and Dark Enough for Ice
http://www.jpl.nasa.gov/news/news.cfm?release=2012-024 Vesta Likely Cold and Dark Enough for Ice Jet Propulsion Laboratory January 25, 2012 Though generally thought to be quite dry, roughly half of the giant asteroid Vesta is expected to be so cold and to receive so little sunlight that water ice could have survived there for billions of years, according to the first published models of Vesta's average global temperatures and illumination by the sun. Near the north and south poles, the conditions appear to be favorable for water ice to exist beneath the surface, says Timothy Stubbs of NASA's Goddard Space Flight Center in Greenbelt, Md., and the University of Maryland, Baltimore County. Stubbs and Yongli Wang of the Goddard Planetary Heliophysics Institute at the University of Maryland published the models in the January 2012 issue of the journal Icarus. The models are based on information from telescopes including NASA's Hubble Space Telescope. Vesta, the second-most massive object in the asteroid belt between Mars and Jupiter, probably does not have any significant permanently shadowed craters where water ice could stay frozen on the surface all the time, not even in the roughly 300-mile-diameter (480-kilometer-diameter) crater near the south pole, the authors note. The asteroid isn't a good candidate for permanent shadowing because it is tilted on its axis at about 27 degrees, which is even greater than Earth's tilt of roughly 23 degrees. In contrast, the moon, which does have permanently shadowed craters, is tilted at only about 1.5 degrees. As a result of its large tilt, Vesta has seasons, and every part of the surface is expected to see the sun at some point during Vesta's year. The presence or absence of water ice on Vesta tells scientists something about the tiny world's formation and evolution, its history of bombardment by comets and other objects, and its interaction with the space environment. Because similar processes are common to many other planetary bodies, including the moon, Mercury and other asteroids, learning more about these processes has fundamental implications for our understanding of the solar system as a whole. This kind of water ice is also potentially valuable as a resource for further exploration of the solar system. Though temperatures on Vesta fluctuate during the year, the model predicts that the average annual temperature near Vesta's north and south poles is less than roughly minus 200 degrees Fahrenheit (145 kelvins). That is the critical average temperature below which water ice is thought to be able to survive in the top 10 feet or so (few meters) of the soil, which is called regolith. Near Vesta's equator, however, the average yearly temperature is roughly minus 190 degrees Fahrenheit (150 kelvins), according to the new results. Based on previous modeling, that is expected to be high enough to prevent water from remaining within a few meters of the surface. This band of relatively warm temperatures extends from the equator to about 27 degrees north and south in latitude. On average, it's colder at Vesta's poles than near its equator, so in that sense, they are good places to sustain water ice, says Stubbs. But they also see sunlight for long periods of time during the summer seasons, which isn't so good for sustaining ice. So if water ice exists in those regions, it may be buried beneath a relatively deep layer of dry regolith. The modeling also indicates that relatively small surface features, such as craters measuring around 6 miles (10 kilometers) in diameter, could significantly affect the survival of water ice. The bottoms of some craters could be cold enough on average -- about 100 kelvins -- for water to be able to survive on the surface for much of the Vestan year [about 3.6 years on Earth], Stubbs explains. Although, at some point during the summer, enough sunlight would shine in to make the water leave the surface and either be lost or perhaps redeposit somewhere else. So far, Earth-based observations suggest that the surface of Vesta is quite dry. However, the Dawn spacecraft is getting a much closer view. Dawn is investigating the role of water in the evolution of planets by studying Vesta and Ceres, two bodies in the asteroid belt that are considered remnant protoplanets - baby planets whose growth was interrupted when Jupiter formed. Dawn is looking for water using the gamma ray and neutron detector (GRaND) spectrometer, which can identify hydrogen-rich deposits that could be associated with water ice. The spacecraft recently entered a low orbit that is well suited to collecting gamma ray and neutron data. Our perceptions of Vesta have been transformed in a few months as the Dawn spacecraft has entered orbit and spiraled closer to its surface, says Lucy McFadden, a planetary scientist at NASA Goddard and a Dawn mission co-investigator. More importantly, our new views of Vesta tell us about the early processes of solar system formation. If
[meteorite-list] MRO HiRISE Images - January 25, 2012
MARS RECONNAISSANCE ORBITER HIRISE IMAGES January 25, 2012 o Double Layer Ejecta in an Arabia Region Crater http://hirise.lpl.arizona.edu/ESP_024872_2175 After an impact, there sometimes multiple phases of material that fall to the ground, creating the appearance of layered-ejecta. o Fluvial Fan on a Crater Floor http://hirise.lpl.arizona.edu/ESP_024887_2155 This observation shows a terrific fan-shaped deposit, beginning where the channel enters a crater. o Dune Composition http://hirise.lpl.arizona.edu/ESP_025042_1375 Patterns of dune erosion and deposition provide insight into the sedimentary history of the surrounding terrain. o Very Fresh Impact Crater Superposing a Wrinkle Ridge in Hesperia Planum http://hirise.lpl.arizona.edu/ESP_025237_1600 Wrinkle ridges are long, winding topographic highs and are often characterized by a broad arch with superposed narrow asymmetric ridges. All of the HiRISE images are archived here: http://hirise.lpl.arizona.edu/ Information about the Mars Reconnaissance Orbiter is online at http://www.nasa.gov/mro. The mission is managed by NASA's Jet Propulsion Laboratory, a division of the California Institute of Technology, for the NASA Science Mission Directorate, Washington, D.C. Lockheed Martin Space Systems, of Denver, is the prime contractor and built the spacecraft. HiRISE is operated by the University of Arizona. Ball Aerospace and Technologies Corp., of Boulder, Colo., built the HiRISE instrument. __ 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
Re: [meteorite-list] RSVP Anything for Gary and CJ Foote
OK, Well, only I and one other put ANYTHING in the Tucson Meteorite Auction for Gary and his wife who are Literally facing homelessness at the prospect of loosing Their trailer to mortgage payment failure. So, perhaps I asked for too much.. I will donate my Consignment fee for ANY donation to the Footes for the Auction. No price limit - nothing too large or too small. Surely, of the hundreds coming to Tucson most of You could donate SOME meteorite to them for auction. I need attached JPGs and descriptions in yesterday - but photo and description by Fri. 8PM will get 'r done. Michael __ 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
Re: [meteorite-list] Life in CI meteorites
All future life in any meteorite is hereby suspended in whatever medium we all started in. xo, Richard Montgoemry - Original Message - From: Abe Enochs To: rickm...@earthlink.net ; meteoritem...@gmail.com ; prairiecac...@rtcol.com Cc: meteorite-list@meteoritecentral.com Sent: Wednesday, January 25, 2012 5:23 PM Subject: Re: [meteorite-list] Life in CI meteorites There's an idiot in Colorado that probably has several to sell that he picked up in an unknown syrewn field just down the road from his place;) eagler...@aol.com -Original Message- From: Richard Montgomery rickm...@earthlink.net To: Galactic Stone Ironworks meteoritem...@gmail.com; Phil Whitmer prairiecac...@rtcol.com Cc: meteorite-list meteorite-list@meteoritecentral.com Sent: Wed, Jan 25, 2012 5:56 pm Subject: Re: [meteorite-list] Life in CI meteorites Crap...I was hoping to buy one. - Original Message - From: Galactic Stone Ironworks meteoritem...@gmail.com To: Phil Whitmer prairiecac...@rtcol.com Cc: meteorite-list@meteoritecentral.com Sent: Wednesday, January 25, 2012 10:31 AM Subject: Re: [meteorite-list] Life in CI meteorites Sales of all life-bearing CI meteorites are hereby suspended until further notice -- * Galactic Stone Ironworks - Meteorites Amber (Michael Gilmer) Website - http://www.galactic-stone.com Facebook - http://tinyurl.com/42h79my News Feed - http://www.galactic-stone.com/rss/126516 Twitter - http://twitter.com/galacticstone *** On 1/25/12, Phil Whitmer prairiecac...@rtcol.com wrote: Quick, call a press conference! Good work Marc. That it's an aqueous alteration product should have been obvious to Hoover. Phil Whitmer __ 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 __ 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 __ 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 __ 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
Re: [meteorite-list] Is there a Main Mass list?
Thanks to those who chimed in. I agree that it's not a scientifically useful stat to keep track of, but many people have asked for trivial info about meteorites before, and they will continue to do so after we are all worm food. This is just an interesting little tidbit that some people wonder about, so having a list in one place would be nice. Data such as the year in which a met was found, or the location where it was found, is not scientifically important (we've seen the arguments on this list before), yet each met entry in the MB db has the year and location because people want to know those things. But I understand why you wouldn't want to do this on the MB db... it would definitely take some time to compile. Regards, Bob L. -Original Message- From: meteorite-list-boun...@meteoritecentral.com [mailto:meteorite-list-boun...@meteoritecentral.com] On Behalf Of Jeff Grossman Sent: Wednesday, January 25, 2012 10:48 AM To: meteorite-list@meteoritecentral.com Subject: Re: [meteorite-list] Is there a Main Mass list? None of this is something I want to track in the MB Database. It would be too difficult and time-consuming to track an ever-changing and often controversial list. Moreover, as you say, it isn't a particularly useful thing to tabulate. I'll leave it to collectors to take on this task. Jeff On 1/25/2012 5:15 AM, MexicoDoug wrote: A main mass list? Heck, there isn't even a main mass definition everybody agrees on! Here's mine: Hi Jeff, all, A main mass has some scientific value IMO in some circumstances. But really, it seems to me one of those things that we keep having to fill out on a boilerplate form that serves of little real scientific value. Better would be to drop the confusing, unfortunately now unscientfic (due to the various definitions as you already reminded us) term main mass and just have an entry called, biggest known piece = BKP which is already used analogously in the case of TKW. in the database. It's really what most collectors are interested in anyway and would create probably a bunch more of limited useful information llike the TKW's which frequently are significantly understated. My take on a 'main mass' wouldn't require it to be more than half, but rather the principal piece of the original meteoroid from which all fragmentation is derived, and the one expected to travel furthest up the dispersion ellipse's axis shedding it all. I suppose a scenario of a boulder splitting into two equal pieces would screw that up too, but then we could drop some fancier names to describe that 'degenerate' case. Just sounding off Kindest wishes Doug -Original Message- From: Jeff Grossman jngross...@gmail.com To: meteorite-list meteorite-list@meteoritecentral.com Sent: Tue, Jan 24, 2012 11:33 am Subject: Re: [meteorite-list] Is there a Main Mass list? A main mass list? Heck, there isn't even a main mass definition everybody agrees on! Here's mine: An individual stone/iron or piece of an individual stone/iron that comprises the majority ( 50%) of the known mass of a named meteorite. Jeff On 1/24/2012 10:08 AM, Bob Loeffler wrote: Hi list, After looking at Jim Strope's photos of the New Concord main mass (Rocks from Space Picture of the Day a couple days ago) that he got in a trade with ASU (my alma mater; Go Sun Devils!), I thought of a question: Who has the most main masses in their collection? Of course, I thought of people like Bob Haag, Mike Farmer, etc and museums like the Smithsonian, ASU, etc. Has anyone ever put together such a list? Because of trading, the list might be hard to keep updated, but maybe not since main masses are coveted and might not be passed around too much. For new falls, the main mass will change as newer/bigger pieces are found, but I would think someone in the know could put together the list, or at least start it. If nobody has such a list, maybe the Meteoritical Bulletin Database could have a few more fields added for easy searching. Fields such as Main Mass Weight, Main Mass Owner and Main Mass Image (for the best photo of the main mass), and then the Owner field could be easily changed if the Meteoritical Society finds out that the main mass was sold/traded to someone else. Anyway, just a thought. In case you are wondering, I have no main masses in my collection. :-( Regards, Bob L. __ 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 __ 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
Re: [meteorite-list] Is there a Main Mass list?
Hello again List. On the quantitative and qualitative scope of things, (and for me as a VERY meager collector of meteorites, yet with a huge affinity for the aesthetic, rarity and important meteoritic knowledge)... and since this discussion surrounds how large a main mass is (it remains unobtainable to me, and doesn't really matter at this point) tangibly having a specimen under the scope as a vision to further understanding relegates the $ value to the backseat. It does, however, reflect the global relevence: how significant is my specimen in grand scope? Quite frankly: negligible. When I learn of how large a main-mass is, it's important for me to divorce the quantitative relevence of my insignificant morsel from the aesthetic. Otherwise, I'd go nuts! Richard Montgomery - Original Message - From: Bob Loeffler b...@peaktopeak.com To: meteorite-list@meteoritecentral.com Sent: Wednesday, January 25, 2012 5:46 PM Subject: Re: [meteorite-list] Is there a Main Mass list? Thanks to those who chimed in. I agree that it's not a scientifically useful stat to keep track of, but many people have asked for trivial info about meteorites before, and they will continue to do so after we are all worm food. This is just an interesting little tidbit that some people wonder about, so having a list in one place would be nice. Data such as the year in which a met was found, or the location where it was found, is not scientifically important (we've seen the arguments on this list before), yet each met entry in the MB db has the year and location because people want to know those things. But I understand why you wouldn't want to do this on the MB db... it would definitely take some time to compile. Regards, Bob L. -Original Message- From: meteorite-list-boun...@meteoritecentral.com [mailto:meteorite-list-boun...@meteoritecentral.com] On Behalf Of Jeff Grossman Sent: Wednesday, January 25, 2012 10:48 AM To: meteorite-list@meteoritecentral.com Subject: Re: [meteorite-list] Is there a Main Mass list? None of this is something I want to track in the MB Database. It would be too difficult and time-consuming to track an ever-changing and often controversial list. Moreover, as you say, it isn't a particularly useful thing to tabulate. I'll leave it to collectors to take on this task. Jeff On 1/25/2012 5:15 AM, MexicoDoug wrote: A main mass list? Heck, there isn't even a main mass definition everybody agrees on! Here's mine: Hi Jeff, all, A main mass has some scientific value IMO in some circumstances. But really, it seems to me one of those things that we keep having to fill out on a boilerplate form that serves of little real scientific value. Better would be to drop the confusing, unfortunately now unscientfic (due to the various definitions as you already reminded us) term main mass and just have an entry called, biggest known piece = BKP which is already used analogously in the case of TKW. in the database. It's really what most collectors are interested in anyway and would create probably a bunch more of limited useful information llike the TKW's which frequently are significantly understated. My take on a 'main mass' wouldn't require it to be more than half, but rather the principal piece of the original meteoroid from which all fragmentation is derived, and the one expected to travel furthest up the dispersion ellipse's axis shedding it all. I suppose a scenario of a boulder splitting into two equal pieces would screw that up too, but then we could drop some fancier names to describe that 'degenerate' case. Just sounding off Kindest wishes Doug -Original Message- From: Jeff Grossman jngross...@gmail.com To: meteorite-list meteorite-list@meteoritecentral.com Sent: Tue, Jan 24, 2012 11:33 am Subject: Re: [meteorite-list] Is there a Main Mass list? A main mass list? Heck, there isn't even a main mass definition everybody agrees on! Here's mine: An individual stone/iron or piece of an individual stone/iron that comprises the majority ( 50%) of the known mass of a named meteorite. Jeff On 1/24/2012 10:08 AM, Bob Loeffler wrote: Hi list, After looking at Jim Strope's photos of the New Concord main mass (Rocks from Space Picture of the Day a couple days ago) that he got in a trade with ASU (my alma mater; Go Sun Devils!), I thought of a question: Who has the most main masses in their collection? Of course, I thought of people like Bob Haag, Mike Farmer, etc and museums like the Smithsonian, ASU, etc. Has anyone ever put together such a list? Because of trading, the list might be hard to keep updated, but maybe not since main masses are coveted and might not be passed around too much. For new falls, the main mass will change as newer/bigger pieces are found, but I would think someone in the know could put together the list, or at least start it. If nobody has such a list, maybe the Meteoritical Bulletin Database
Re: [meteorite-list] The Foots
Kind list members, A couple of list members have asked me for Gary CJ Foote's PayPal address as they would prefer just to send them some $ directly. If you do, please mark it Personal and Gift in the PayPal Page so that PayPal doesn't take 3%. You can PayPal them at: c...@webbers.com If all our members sent even $10 it would have a MAJOR Impact on their lives - hell, even $5 or even $3 each Thanks, Michael __ 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
Re: [meteorite-list] The Foots
Thanks Capt. That works, and did! - Original Message - From: Michael Blood mlbl...@cox.net To: Meteorite List meteorite-list@meteoritecentral.com Sent: Wednesday, January 25, 2012 6:36 PM Subject: Re: [meteorite-list] The Foots Kind list members, A couple of list members have asked me for Gary CJ Foote's PayPal address as they would prefer just to send them some $ directly. If you do, please mark it Personal and Gift in the PayPal Page so that PayPal doesn't take 3%. You can PayPal them at: c...@webbers.com If all our members sent even $10 it would have a MAJOR Impact on their lives - hell, even $5 or even $3 each Thanks, Michael __ 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 __ 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
Re: [meteorite-list] The Foots
Hi Michael, you are a good man to take a noble cause during the Tucson re-shuffle; Is it generally known here that Gary and CJ are accomplished singers and string instrument performers, mostly dealing with faith? They have a lullybying harmonic tonal quality when joined together by music. One of his songs has a sentimental stanza which gives me hope also to carry on against the immeasurable beating tides: When times are hard The world closes in You light the darkness Leading me on To the light of a better me I would like to buy the mp3 of this single, but cannot find a link for downloadable file which only requires PayPal rather than a credit card. I realize that this is a drop in the bucket, but lots of drops in the bucket breed oceans ... Can you or someone find out whether there are paypal-links for these and/or other singles and albums of theirs? For those who want to unite in a sincere common cause and count their voices all while appreciating the variety of talents and faiths among us, perhaps the Footes' music can be a vehicle of strength and togetherness as sharing music can be an incredibly powerful force for the human spirit, both for they who play and they who listen and join in; Kindest wishes Doug -Original Message- From: Michael Blood mlbl...@cox.net To: Meteorite List meteorite-list@meteoritecentral.com Sent: Wed, Jan 25, 2012 9:39 pm Subject: Re: [meteorite-list] The Foots Kind list members, A couple of list members have asked me for Gary CJ Foote's PayPal address as they would prefer just to send them some $ directly. If you do, please mark it Personal and Gift in the PayPal Page so that PayPal doesn't take 3%. You can PayPal them at: c...@webbers.com If all our members sent even $10 it would have a MAJOR Impact on their lives - hell, even $5 or even $3 each Thanks, Michael __ 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 __ 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
Re: [meteorite-list] Meteorite Class Creation Zones
Hi, Pete, No - what I have in mind is a bit more detailed. It was more along the lines of material distribution in a protoplanetary disk or content evolution (dust/gas) of an accretion/protoplanetary disk, including an indication of temperatures. (It would make an excellent geek tee-shirt!;)) It had this chart's information, with much more content - http://www.physics.unlv.edu/~jeffery/astro/astro1/lec010/disk_001_temperature.png I have a habit of saving pics, links, and PDF files of anything related to astronomy that interests me, but like I say, years ago! Maybe I'll just have to dig out my old hard drives and search them. I appreciate your help, though! I'll let you know if I find it. Best, re-Pete From: petersche...@rcn.com To: rsvp...@hotmail.com; meteorite-list@meteoritecentral.com Subject: RE: [meteorite-list] Meteorite Class Creation Zones Date: Wed, 25 Jan 2012 13:24:53 -0500 HI Pete, Is this what you are looking for? http://msg-meteorites.co.uk/my-collection/meteorite-artwork/origin-of-meteor ites Thanks, Peter -Original Message- From: meteorite-list-boun...@meteoritecentral.com [mailto:meteorite-list-boun...@meteoritecentral.com] On Behalf Of Pete Pete Sent: Tuesday, January 24, 2012 3:28 PM To: meteoritelist meteoritelist Subject: [meteorite-list] Meteorite Class Creation Zones Hi, All, I remember seeing years ago a diagram of the regions around our infant Sun where different classifications of meteorites are thought to be formed; carbonaceous in the outer regions, etc. I would be grateful if anyone could send me the jpeg, or a link to where it is currently hiding from my searches! Cheers, Pete __ 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 - No virus found in this message. Checked by AVG - www.avg.com Version: 2012.0.1901 / Virus Database: 2109/4763 - Release Date: 01/24/12 __ 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
