[meteorite-list] AD Part 2....meteorite main masses for sale
Dear List, I forgot to add Etter 2370gr full slice, Lake Murray full slice with flow structure, Long Island, Ghubara and Brenham KS. Thank you for your time and interest. Please specify which one or ones you might buy. I will select the person that I will sell to and the price will only be know by him or her and myself. Best to you all. Dirk RossTokyo 3KG Libyan Glass 700+ gram tektites round from Phillipines. 2KG Moung Nong Tektite from Laos __ Do you Yahoo!? Yahoo! Hotjobs: Enter the Signing Bonus Sweepstakes http://hotjobs.sweepstakes.yahoo.com/signingbonus __ Meteorite-list mailing list [EMAIL PROTECTED] http://www.pairlist.net/mailman/listinfo/meteorite-list
Re: [meteorite-list] Images of Strange Achondrite Found In the Sahara
Dear Adam, Really well done, it's a great find that you purchased and I hope that you'll keep the list updated with results of analysis in the near future! I'm leaving soon for hunting and hope that I'll bring back something like that!!! All the best. Frederic Beroud www.meteoriteshow.com IMCA #2491 - Original Message - From: Adam Hupe [EMAIL PROTECTED] To: [EMAIL PROTECTED] Sent: Friday, January 16, 2004 1:17 AM Subject: [meteorite-list] Images of Strange Achondrite Found In the Sahara Dear List Members, We promised to provide images of the strange stone that was acquired on our December 2003 Sahara expedition. Sorry for the delay but it took time distribute the material to three laboratories and several team members. We wanted to give them a chance to savor the oddness of this piece for themselves before making images public. In the first image you can see what appears to be a lip-over rim, contraction-cracks and flow lines on jet black glassy crust covering 70% of the specimen. Two thirds stone image link: http://www.lunarrock.com/NewStone/achondrite2.jpg The second image displays several perfectly spherical vesicles and multiple colored crystals in a fragmental breccia. Close up of broken surface link: http://www.lunarrock.com/NewStone/achondrite1.jpg Several oddities have been observed in the initial study including the following: Elongated multi-colored glass objects that look like Pele's hairs imbedded in the matrix. Perfectly spherical vesicles present in matrix 2mm weathering rind under a very thin glass crust on the side with lip-over. Contain several highly refractive minerals never before observed in any meteorite. Is more friable than a Nahklite meaning it did not lay in the desert very long. Is definitely not related to the HED group judging from ratios measured in the minerals. We do not want to speculate about its origin until more testing is done. All the best, Adam and Greg Hupe The Hupe Collection IMCA 2185 __ Meteorite-list mailing list [EMAIL PROTECTED] http://www.pairlist.net/mailman/listinfo/meteorite-list __ Meteorite-list mailing list [EMAIL PROTECTED] http://www.pairlist.net/mailman/listinfo/meteorite-list
[meteorite-list] On Line Cataolog of Tucson Meteorite Auction Updated (ad)
Hi All, I have just added about 45 more specimens with photos in the on-line Tucson Auction Catalog. Check it out at: http://www.michaelbloodmeteorites.com/AuctionOLCat.html There are still some spaces for some quality specimens. Please contact me ASAP. Thanks, Michael -- When Jesus said Love your enemies I think he probably meant don't kill them. Anonymous -- AMAZING photos of Aurora Borealis, etc. http://faculty.rmwc.edu/tmichalik/atmosphere.htm -- Hubble space telescope - AMAZING photos!: http://wires.news.com.au/special/mm/030811-hubble.htm -- http://www.costofwar.com/ -- SUPPORT OUR TROUPS: http://www.takebackthemedia.com/onearmy.html -- Worth Seeing: Earth at night from satellite: http://antwrp.gsfc.nasa.gov/apod/image/0011/earthlights_dmsp_big.jpg -- - Interactive Lady Liberty: http://doody36.home.attbi.com/liberty.htm -- Earth - variety of choices: http://www.fourmilab.ch/earthview/vplanet.html -- Michael Blood Meteorites: http://www.michaelbloodmeteorites.com/ __ Meteorite-list mailing list [EMAIL PROTECTED] http://www.pairlist.net/mailman/listinfo/meteorite-list
Re: [meteorite-list] Bush's Space Initiative
Only a digruntled leftie would bring politics up in a meteorite forum--- On Thu 01/15, Randy Mils [EMAIL PROTECTED] wrote: From: Randy Mils [mailto: [EMAIL PROTECTED]To: [EMAIL PROTECTED]Date: Thu, 15 Jan 2004 17:53:27 -0800Subject: Re: [meteorite-list] Bush's Space Initiative EVERYBODY read Howard's links. Do it now. Don't just read the Mars story, read them all. I can't wait until Nov. to vote (again) against this idiot Chimp some call the President of the US RandyFrom: Howard Wu <[EMAIL PROTECTED]> To: meteorite-list <[EMAIL PROTECTED]> Subject: Re: [meteorite-list] Bush's Space Initiative Date: Thu, 15 Jan 2004 22:47:05 + (GMT) Haliburton and Mars? http://www.americanprogress.org/site/pp.asp?c=biJRJ8OVFb=8473 Howard Wu - Yahoo! Messenger - Communicate instantly..."Ping" your friends today! Download Messenger Now Get a FREE online virus check for your PC here, from McAfee. __ Meteorite-list mailing list [EMAIL PROTECTED] http://www.pairlist.net/mailman/listinfo/meteorite-list Join Excite! - http://www.excite.comThe most personalized portal on the Web!
[meteorite-list] Mexican MeteoriteStrewnfield informations required
Hola list!I have here a meteorite rookie, living in Mexico, who wants to startmeteorite hunting in his sparetime and thus recquires some information aboutthe find sites.He's a very nice and funny guy, a mineral collector, who send me somemeteorwrongs, which are sold at the moment on Mexican markets as finds froma new "strewnfield" in Queretaro.As I know, there are some mexican specialists on the list - is theresomeone, who wants to share his experiences in those localities or hishunting adventures in the classical strewnfields or even wants to meet onthe Tucson Show?Please contact me off list, would be nice.Greetings!Martin A.
[meteorite-list] Allegan meteorite booklet giveaway
Hi all, I acquired a 10-page booklet entitled The Composition of the Allegan, Bur-Gheluai, and Cythiana Meteorites published in 1967 by the Smithsonian that describes the circumstances of discovery of these meteorites and their composition, etc. Written by Brian Mason. It's free to whoever would like it. Just send me your address in an e- mail. Regards, Bob __ Meteorite-list mailing list [EMAIL PROTECTED] http://www.pairlist.net/mailman/listinfo/meteorite-list
Re: [meteorite-list] On Line Cataolog of Tucson Meteorite Auction Updated (ad)
Michael, When do the absentee bids need to be in by for your auction?? What date/time?? John Hi All, I have just added about 45 more specimens with photos in the on-line Tucson Auction Catalog. Check it out at: http://www.michaelbloodmeteorites.com/AuctionOLCat.html There are still some spaces for some quality specimens. Please contact me ASAP. Thanks, Michael -- When Jesus said Love your enemies I think he probably meant don't kill them. Anonymous -- AMAZING photos of Aurora Borealis, etc. http://faculty.rmwc.edu/tmichalik/atmosphere.htm -- Hubble space telescope - AMAZING photos!: http://wires.news.com.au/special/mm/030811-hubble.htm -- http://www.costofwar.com/ -- SUPPORT OUR TROUPS: http://www.takebackthemedia.com/onearmy.html -- Worth Seeing: Earth at night from satellite: http://antwrp.gsfc.nasa.gov/apod/image/0011/earthlights_dmsp_big.jpg -- - Interactive Lady Liberty: http://doody36.home.attbi.com/liberty.htm -- Earth - variety of choices: http://www.fourmilab.ch/earthview/vplanet.html -- Michael Blood Meteorites: http://www.michaelbloodmeteorites.com/ __ Meteorite-list mailing list [EMAIL PROTECTED] http://www.pairlist.net/mailman/listinfo/meteorite-list __ Meteorite-list mailing list [EMAIL PROTECTED] http://www.pairlist.net/mailman/listinfo/meteorite-list
Re: [meteorite-list] Bush's Space Initiative
Piper, I agree...I am however being very practical. It seems that the terrorists and muslim fanatics in this world are dead set on killing all of the infidelsThat would be about 90% of the earths population(read that as you and I). I am settling on the lesser of 2 evils. Since I kinda like the way we live in the US and since I wish to remain free to worship as I see fit and since I believe that all humans should have the same rights and freedoms we have in the US I figure that it would be best if WE control the world...or at least the parts that need controlling. Otherwise you can start today, if you are a female...cover your head and face at all times in public and home, shut up as you have no opinion and are not allowed to speak unless told to, you can not have an education, you can not hold down a job or have a career. You will worship only Allah, read only the Koran and be willing to be a martyr on a moments notice. NOW doesn't that sound stupid? Let The Bin Ladens of the world run amock and that is the world. As for the Chinese going to the moonif you think there is no military strategy involved you are ignorant. We brought down the Soviet Union by developing technology for war faster than they couldStealth was the straw that broke their already broken economy. By forcing the Russians to keep up with us they could not spend enough on their population and their military at the same time. Citizens need to eat and when their form of socialism couldn't do that because the military machine needed all the money...the citizens brought about change. By launching a man into space and saying that they will go to the moon, the chinese have already succeeded in causing us to react. Already one billion dollars is being asked forgetting back to the moon is a half trillion dollars easy. Already the chinese have our population discussing how we can afford that. It could force the US into further deficit spending...which would be worse for our economy than a Chinese base on the moon. The Chinese will also be trying to secure contracts for the building of their spacecraft. Contracts with companies that may help them by giving them restricted technology. Technology that could end up in the hands of people that may use it against the world. Hell the mere fact that the Chinese put a payload big enough to carry a man into orbit means they can now EASILY deliver a nuclear warhead ACCURATELY ANYWHERE in the world...even EUROPE. Not that they couldn't already but they had not tested that yet...now they have tested their heavy lift vehicles and can put a payload into orbit and they can do it accurately. Next bollide seen over Europe could be a nuke on reentry. I am sorry if my opinions and thoughts offendit is not meant to. It is a wake up calllook aroundwe have a small number of idiots trying to kill all of us. The US does not want to control the world...we want it to be safe and FREE to control itself. As for the moonit will be a sad day in the WORLDS history when ANYTHING even remotely military is on the moonbut that day is coming. PARDON me if my selfish interests would feel better and be better served if that military is flying the good ole STARS and STRIPES! Mark Miconi Phoenix AZ - Original Message - From: Piper R.W. Hollier [EMAIL PROTECTED] To: Mark Miconi [EMAIL PROTECTED] Sent: Thursday, January 15, 2004 3:59 PM Subject: Re: [meteorite-list] Bush's Space Initiative At 12:40 15-1-04 -0700, you wrote: I for one will feel much better if it is the good ole USA in control of the moon. If US citizens and their (p)resident were less obsessed with unilaterally dominating and controlling EVERYTHING that God has created, on the earth and off of it, they would have less to fear from the Chinese. Piper Hollier US citizen resident in Europe __ Meteorite-list mailing list [EMAIL PROTECTED] http://www.pairlist.net/mailman/listinfo/meteorite-list
Re: [meteorite-list] Bush's Space Initiative
BRAVO! - Original Message - From: [EMAIL PROTECTED] To: [EMAIL PROTECTED] Sent: Thursday, January 15, 2004 7:25 PM Subject: Re: [meteorite-list] Bush's Space Initiative "MommyMommywhat are those?" "Don't stare sweetiethey're just angry liberals. They don't know any better." * EVERYBODY read Howard's links. Do it now. Don't just read the Mars story, read them all. I can't wait until Nov. to vote (again) against this idiot Chimp some call the President of the US Randy From: Howard Wu <[EMAIL PROTECTED]> To: meteorite-list <[EMAIL PROTECTED]> Subject: Re: [meteorite-list] Bush's Space Initiative Date: Thu, 15 Jan 2004 22:47:05 + (GMT) Haliburton and Mars? http://www.americanprogress.org/site/pp.asp?c=biJRJ8OVFb=8473 Howard Wu
[meteorite-list] Finding Bits Of Mars On Earth
http://www.cleveland.com/news/plaindealer/index.ssf?/base/news/1074249382127740.xml Cleveland geologist's cool job: finding bits of Mars on Earth John Mangels The Plain Dealer (Cleveland, Ohio) Long before NASA's robotic rovers began gingerly prospecting Mars' rusty surface, Ralph Harvey was recovering stones from the Red Planet. And though the last Apollo crew left the lunar highlands 31 years ago, Harvey and his colleagues are still collecting moon rocks. Harvey isn't an astronaut, and he has never left Earth. The planetary geologist from Case Western Reserve University leads a team that each year scours the blue ice of the Antarctic - the best meteorite-hunting grounds on the planet. The samples they have retrieved are giving scientists new insights about conditions in the galactic nursery that spawned our solar system. It's a space mission for me, without the helmet, said Harvey, who returned to Cleveland two weeks ago. Other team members will keep hunting for meteorites and scouting for future search sites until late January. With President Bush's recently announced plan to return American astronauts to the moon and eventually voyage on to Mars, scientists are anticipating the hands-on study of those bodies' quirky and sometimes mysterious geology. But such research doesn't necessarily require a rocket trip. The accommodating solar system sends some of its samples to Earth in the form of meteorites - asteroid rubble snagged by our planet's gravity and, as researchers have only recently realized, pieces of the moon, Mars, and possibly other nearby planets, too. The lunar and Martian fragments were blasted into space by asteroid or comet strikes. Meteorites have fallen to the ground for eons all across the Earth, but in most places are neatly camouflaged by our own planet's rocky surface. Not so in Antarctica, nature's version of white linoleum. Anything that plops onto the vast, windswept ice sheets at the bottom of the world stands out like a piece of chocolate on a freshly mopped kitchen floor. The six Apollo moon-landing missions between 1969 and 1972 returned 2,200 samples of rocks, pebbles and dust. Since 1976, the Antarctic expeditions led by Harvey and his predecessor, University of Pittsburgh geologist William Cassidy, have recovered nearly 14,000 meteorite samples, including seven from the moon and five from Mars. There are so many interesting samples in the [Antarctic] collection - they really form the backbone of planetary science, said meteorite curator Kevin Righter of the astromaterials collection at NASA's Johnson Space Center in Houston. The service that Ralph and Bill Cassidy have done for the community is huge. While this season's search team combs the LaPaz ice field 217 miles northwest of the South Pole Station, NASA's Spirit rover is preparing to roam the bottom of an immense crater at the Martian equator, scrutinizing rocks along the way. Humans and robots are doing similar work, in similarly harsh conditions (Mars is colder, but in Earth's thicker atmosphere, the winds blow much harder). NASA intentionally modeled its robots on human field geologists like Harvey, giving them the equivalent of a rock hound's hammer and magnifying lens. But to minimize risk, the rovers are tentative and child-like, requiring a good deal of pointing and prodding from their human handlers 170 million miles away to get from one rock to the next. Human beings have this amazing ability to summarize and prioritize a scene in an instant, to move right to the keys to the puzzle, said Harvey, who helped test a NASA-financed meteorite-hunting rover during the 1999 Antarctic expedition. Robots are a long way from that. The Antarctic searches also are far cheaper than their Mars counterparts. It cost roughly $1 million for the 12-member team's two-month expedition, with grants from NASA and the National Science Foundation. At $820 million, Spirit and its twin rover Opportunity - scheduled to land on Mars Jan. 24 - are expected to last at least three months before their batteries die. The Mars rovers' advantage is what geologists call ground truth - the rocks the robots examine are linked to, and convey specific contextual geologic information about, the craters or other sites in which they are found. That can't be said of meteorites that end up in the Antarctic ice, since their origins are more vague. Still, the Antarctic samples have secrets to reveal, and scientists can subject them to sophisticated lab analysis that the rovers can't duplicate. Even the most common asteroids are imprinted with a geologic and chemical record of the conditions at the solar system's birth more than 4.5 billion years ago, and with the changes the rocks have experienced in their long journey through space and time. Those clues are helping researchers better understand the distribution of materials and the nature of forces that wrought planets and suns from great roiling clouds of interstellar dust. Some
[meteorite-list] moon travel lunar meteorites?
Hello List, can we collectors as a group get together, and get NASA to put a box under the lunar return vehicle that the astronauts can fill with moon rocks that will burn up during reentry will and drop new lunar meteorites over the US? Thanks, Tom Peregrineflier IMCA 6168 __ Meteorite-list mailing list [EMAIL PROTECTED] http://www.pairlist.net/mailman/listinfo/meteorite-list
RE: [meteorite-list] moon travel lunar meteorites?
? A waste of bandwidth From: "Tom aka James Knudson" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Subject: [meteorite-list] moon travel lunar meteorites? Date: Fri, 16 Jan 2004 12:24:53 -0700 Hello List, can we collectors as a group get together, and get NASA to put a box under the lunar return vehicle that the astronauts can fill with moon rocks that will burn up during reentry will and drop new lunar meteorites over the US? Thanks, Tom Peregrineflier IMCA 6168 __ Meteorite-list mailing list [EMAIL PROTECTED] http://www.pairlist.net/mailman/listinfo/meteorite-list High-speed users—be more efficient online with the new MSN Premium Internet Software. __ Meteorite-list mailing list [EMAIL PROTECTED] http://www.pairlist.net/mailman/listinfo/meteorite-list
Re: [meteorite-list] moon travel lunar meteorites?
. get NASA to put a box under the lunar return vehicle that the astronauts can fill with moon rocks that will burn up during reentry will and drop new lunar meteorites over the US? Might not be a good idea What if one hits an angry liberal on the head? They'll claim that NASA and George Bush purposely contrived this sample return program to systematically eliminate angry liberals. They'll sue NASA and George Bush for doing it, but of course they'll keep the stone and sell it for a million dollars. And if the stones fall in predominantly Republican areas, they'll claim that the program was purposely drawn up to benefit only rich, evil Republicans, at the expense of angry liberals. __ Meteorite-list mailing list [EMAIL PROTECTED] http://www.pairlist.net/mailman/listinfo/meteorite-list
Re: [meteorite-list] moon travel lunar meteorites?
Your right, A bad idea! I did not think of the Democrats! Thanks, Tom Peregrineflier IMCA 6168 - Original Message - From: [EMAIL PROTECTED] To: [EMAIL PROTECTED] Sent: Friday, January 16, 2004 12:35 PM Subject: Re: [meteorite-list] moon travel lunar meteorites? . get NASA to put a box under the lunar return vehicle that the astronauts can fill with moon rocks that will burn up during reentry will and drop new lunar meteorites over the US? Might not be a good idea What if one hits an angry liberal on the head? They'll claim that NASA and George Bush purposely contrived this sample return program to systematically eliminate angry liberals. They'll sue NASA and George Bush for doing it, but of course they'll keep the stone and sell it for a million dollars. And if the stones fall in predominantly Republican areas, they'll claim that the program was purposely drawn up to benefit only rich, evil Republicans, at the expense of angry liberals. __ Meteorite-list mailing list [EMAIL PROTECTED] http://www.pairlist.net/mailman/listinfo/meteorite-list __ Meteorite-list mailing list [EMAIL PROTECTED] http://www.pairlist.net/mailman/listinfo/meteorite-list
Re: [meteorite-list] Finding Bits Of Mars On Earth
Ron and list, Towards the end of this article, one of the scientists expresses concern that private expeditions will beat the scientific expeditions back to the LaPaz ice field next year. He is quoted as saying: The expeditions who use our information to help a tourist pick up a meteorite and lock it away in a private collection, it's a travesty to me.' How long has this been going on? Is it gong on? I thought the Antarctic was off limits to private hunters? Regards, Charlie __ Meteorite-list mailing list [EMAIL PROTECTED] http://www.pairlist.net/mailman/listinfo/meteorite-list
[meteorite-list] political views and opinions on Met-List
Hello Randy, Howard, Mark, Piper and others, Do you think it is possible to refrain from using this list as a platform for political rhetoric? We all have one...and occasionally crap has to flow out of them to stay healthy. However, I'd rather not have to share these left and right bowel movements from you all. Let's get back to Mars rover tracks, strange but true meteorites, and wacked out Proud Tom ideas before we go off the deep end again. tanx, Independent John PS And no more wanabee US and Italian Marine chest beating either. __ Meteorite-list mailing list [EMAIL PROTECTED] http://www.pairlist.net/mailman/listinfo/meteorite-list
[meteorite-list] Mars Odyssey THEMIS Images - January 12-16, 2004
MARS ODYSSEY THEMIS IMAGES January 12-16, 2004 o Spirit Landing Site in Infrared (Released 12 January 2004) http://themis.la.asu.edu/zoom-20040112a.html o Western Gusev in Infrared (Released 13 January 2004) http://themis.la.asu.edu/zoom-20040113a.html o Central Gusev (Released 14 January 2004) http://themis.la.asu.edu/zoom-20040114a.html o Craters within Craters (Released 15 January 2004) http://themis.la.asu.edu/zoom-20040115a.html o Central Gusev in IR (Released 16 January 2004) http://themis.la.asu.edu/zoom-20040116A.html All of the THEMIS images are archived here: http://themis.la.asu.edu/latest.html NASA's Jet Propulsion Laboratory manages the 2001 Mars Odyssey mission for NASA's Office of Space Science, Washington, D.C. The Thermal Emission Imaging System (THEMIS) was developed by Arizona State University, Tempe, in collaboration with Raytheon Santa Barbara Remote Sensing. The THEMIS investigation is led by Dr. Philip Christensen at Arizona State University. Lockheed Martin Astronautics, Denver, is the prime contractor for the Odyssey project, and developed and built the orbiter. Mission operations are conducted jointly from Lockheed Martin and from JPL, a division of the California Institute of Technology in Pasadena. __ Meteorite-list mailing list [EMAIL PROTECTED] http://www.pairlist.net/mailman/listinfo/meteorite-list
[meteorite-list] STARDUST Update - January 16, 2004
Stardust Status Report January 16, 2004 The Stardust team had daily communications with the spacecraft in the past week. Telemetry relayed from the spacecraft remains in very good shape after its close encounter with Comet Wild 2 back on January 2. The Stardust spacecraft was commanded out of its encounter configuration and back into cruise configuration. It will remain in cruise until just prior to the release of the Sample Return Capsule in January 2006. Post-encounter calibrations of both the navigation camera and Dust Flux Measurement Instrument were completed. Images taken through the periscope showed significant degradation from the dust hits during flyby as expected. The periscope performed its function of protecting the mirror and primary camera optics as images not taken through the periscope continue to be good. Information on the present position and orbits of the Stardust spacecraft and comet Wild 2 may be found on the Where Is Stardust Right Now? web page located at: http://stardust.jpl.nasa.gov/mission/scnow.html For more information on the Stardust mission -- the first ever comet sample-return mission -- please visit the Stardust home page: http://stardust.jpl.nasa.gov . __ Meteorite-list mailing list [EMAIL PROTECTED] http://www.pairlist.net/mailman/listinfo/meteorite-list
Re: [meteorite-list] political views and opinions on Met-List
Hello John and list, My appologies for starting this, but I was sharing articles aboutMars and space exploration. It is just consequential that this topic intersected politics this week. If you seen my recent postings I've held my tounge at Bush bashing on the list. As Nasa is a government agency and space developement can be nationalistic orbe about international co-operation there are important subjects that can't be totally avoided. This week our government has put out it's blueprint for the future for the next quarter century that I hope will care us through many administrations. Personally I hope this won't be co-opted by one party that just happens to be in power today. The greater issue this century is also how will the USA, China, European, Russian and private organization compete or co-opperate in space. Or even will we continue to have a space program at all. On the dark side will the helium 3 resources on the moon be used for the greater good of humanity and to save the planet or will we millitarize space. At least with the US- Libian conflict being resolved perhaps we can real data on those NWA. Is that meteoritic enough for you? Howard Wu[EMAIL PROTECTED] wrote: Hello Randy, Howard, Mark, Piper and others,Do you think it is possible to refrain from using this list as a platform for political rhetoric? We all have one...and occasionally crap has to flow out of them to stay healthy. However, I'd rather not have to share these left and right bowel movements from you all.Let's get back to Mars rover tracks, strange but true meteorites, and wacked out Proud Tom ideas before we go off the deep end again.tanx,Independent JohnPS And no more wanabee US and Italian Marine chest beating either. __Meteorite-list mailing list[EMAIL PROTECTED]http://www.pairlist.net/mailman/listinfo/meteorite-list Yahoo! Messenger - Communicate instantly..."Ping" your friends today! Download Messenger Now
[meteorite-list] Stardust Surprise
http://science.nasa.gov/headlines/y2004/16jan_stardust.htm Stardust Surprise NASA Science News January 16, 2004 When NASA's Stardust spacecraft flew by Comet Wild 2, the probe saw something that surprised astronomers. January 16, 2004: On Jan. 2nd, 2004, NASA's Stardust spacecraft approached Comet Wild 2 and flew into a storm. Flurries of comet dust pelted the craft. At least half a dozen grains moving faster than bullets penetrated Stardust's outermost defenses. The craft's 16 rocket engines struggled to maintain course while a collector, about the size of a tennis racquet, caught some of the dust for return to Earth two years hence. All that was expected. Then came the surprise. It happened when Stardust passed by the core of the comet, only 236 km distant, and photographed it using a navigation camera. The images were intended primarily to keep the spacecraft on course. They also revealed a worldlet of startling beauty. At the heart of every comet lies a dirty snowball, a compact nucleus of dust and ice that the sun vaporizes, little by little, to form the comet's spectacular tail. These nuclei are hard to see. For one thing, most are blacker than charcoal; they reflect precious little sunlight for cameras. Plus they're hidden deep inside a cloud of vaporizing gas and dust, called the coma. Stardust's plunge into Wild 2's coma allowed it to view the nucleus at close range. Previous flybys of Comet Halley by the European Giotto probe and Comet Borrelly by NASA's Deep Space 1 revealed lumpy cores without much interesting terrain--as expected. These comets have been sun-warmed for many thousands of years. Solar heating has melted away their sharpest features. Comet Wild 2, however, looks different. We were amazed by the feature-rich surface of the comet, says Donald Brownlee of the University of Washington, the mission's principal investigator. It is highly complex. There are barn-sized boulders, 100-meter high cliffs, and some weird terrain unlike anything we've ever seen before. There are also some circular features, he adds, that look like impact craters as large as 1 km across. The high cliffs tell us that the crust of the comet is reasonably strong, notes Brownlee. It's probably a mixture of fine-grained rocky material held together by frozen water, carbon monoxide and methanol. Certainly a lander could touch down there, or an astronaut could walk across the surface without worrying too much about the ground collapsing. An astronaut standing on Comet Wild 2 would see a truly fantastic landscape, speculates Brownlee. I imagine them inside one of the craters, surrounded by deep cliffs. Icy spires, as tall as a person, might rise out of the crater floor. These would be be the comet-equivalent of 'snow spikes' on Earth--those little jagged ridges that form when snow is exposed to sunlight and melts. Getting out of the crater would be easy. Just jump, says Brownlee, but not too hard. The comet's gravity is only 0.0001-g, so you could easily leap into orbit. Some of the photos from Stardust reveal gaseous jets. The jets come from active regions on the comet's surface, fissures or vents probably, where the ice is vaporizing and rushing into space, Brownlee says. This is how mass is transferred from the comet's nucleus to its tail. Viewed from the surface, the jets would be nearly transparent. But an astronaut could spot them by looking for dust entrained with the gas. Dust grains glinting in the sunlight would look like tracer bullets shooting out of the ground. A careful explorer could survey the entire 5-km nucleus in only a few hours, leaping high above the surface, dodging the occasional jet. What an experience that would be, he says. There are billions of comets in the solar system. We've gotten a close-up look at only three, says Brownlee. And one of the three, Comet Halley, presented its night side to the cameras. So it's too soon to say whether Comet Wild 2, among comets, is truly unusual. Unlike comets Halley and Borrelly, notes Brownlee, Wild 2 is a very recent arrival to the inner solar system. For billions of years it orbited in the cold deep space beyond Jupiter, until 1974 when it was nudged by Jupiter's gravity into a sun-approaching orbit. Since then the comet has passed by the Sun only five times; solar heating is only beginning to mold its surface. And, according to Brownlee, that might be the key to the comet's appearance. Wild 2's surface is a mixture of young and old that we haven't see before, he explains. Young features include possible sinkholes collapsing as the terrain is warmed. Impact craters and their ejecta, on the other hand, are old scars from time spent in the outer solar system. The old parts of Wild 2 are what make the comet an attractive target for the Stardust probe, which captured a thousand or more grains of comet dust during the flyby. Such material, little altered since the formation of the solar system, could tell us a great deal about our
[meteorite-list] Taza rust?
Hello List, I have a small Taza individual that has a small coating or rust on it. It seems as though if the rust was removed, it would look real nice! what is the best way to remove this rust without hurting the meteorite? Thanks, Tom Peregrineflier IMCA 6168 __ Meteorite-list mailing list [EMAIL PROTECTED] http://www.pairlist.net/mailman/listinfo/meteorite-list
Re: [meteorite-list] political views and opinions on Met-List
Howard and others, I must in turn tell all that I'm sorry for being so pissy. The space news this week was/is important and should not be ignored. I felt your comments were in fact educational, but I saw them as the start of what has transpired. Rhetoric from the left and the right. I get enough of that on the news every night. I'll agree to be more civil if we can stay close to the purpose of the list...meteorites. Thanx for your input on any issue. The same goes for all others. Take care, John __ Meteorite-list mailing list [EMAIL PROTECTED] http://www.pairlist.net/mailman/listinfo/meteorite-list
[meteorite-list] Fw: Impact articles in Geotimes
Don't know where my original post went so thought I'd resend. Sorry if you've already received it. Frank - Original Message - From: fcressy [EMAIL PROTECTED] To: Meteorite List [EMAIL PROTECTED] Sent: Friday, January 16, 2004 11:58 AM Subject: Impact articles in Geotimes Hello all, The January, 2004 issue of Geotimes is about IMPACTS Identifying the Structures Asteroid and Comet Collisions Leave Behind. Four articles are present in the magazine and three of them can be found online at: http://www.geotimes.org/current/ The articles are: 1. Unraveling the Chicxulub Case 2. Coring the Chesapeake Bay Impact Crater 3. The Many Faces of the Alamo Breccia 4. Impacts in Space and on Earth: An Interview with Carolyn Shoemaker. The article on Coring the Chesapeake Bay Impact Crater is not online. And, unfortunately, the smiling picture of list member, Matt Morgan, can only be found in the Alamo Breccia magazine article and not online. Matt, you really ought to complain! Enjoy, Frank __ Meteorite-list mailing list [EMAIL PROTECTED] http://www.pairlist.net/mailman/listinfo/meteorite-list
Re: [meteorite-list] Fw: Impact articles in Geotimes
Thanks for the concern. Can't complain..at least they used my ugly mug. Matt fcressy wrote: Don't know where my original post went so thought I'd resend. Sorry if you've already received it. Frank - Original Message - From: fcressy [EMAIL PROTECTED] To: Meteorite List [EMAIL PROTECTED] Sent: Friday, January 16, 2004 11:58 AM Subject: Impact articles in Geotimes Hello all, The January, 2004 issue of Geotimes is about IMPACTS Identifying the Structures Asteroid and Comet Collisions Leave Behind. Four articles are present in the magazine and three of them can be found online at: http://www.geotimes.org/current/ The articles are: 1. Unraveling the Chicxulub Case 2. Coring the Chesapeake Bay Impact Crater 3. The Many Faces of the Alamo Breccia 4. Impacts in Space and on Earth: An Interview with Carolyn Shoemaker. The article on Coring the Chesapeake Bay Impact Crater is not online. And, unfortunately, the smiling picture of list member, Matt Morgan, can only be found in the Alamo Breccia magazine article and not online. Matt, you really ought to complain! Enjoy, Frank __ Meteorite-list mailing list [EMAIL PROTECTED] http://www.pairlist.net/mailman/listinfo/meteorite-list __ Meteorite-list mailing list [EMAIL PROTECTED] http://www.pairlist.net/mailman/listinfo/meteorite-list
[meteorite-list] Spirit Studies Mars at 'Arm's' Length
http://space.com/missionlaunches/spirit_arm_040116.html Spirit Studies Mars at 'Arm's' Length By Leonard David space.com 16 January 2004 PASADENA, Calif. -- NASA's Spirit Mars rover, now parked on the surface of Gusev Crater has deployed its robotic arm for the first time. The arm is called the instrument deployment device, or IDD. Here at the Jet Propulsion Laboratory (JPL), scientists detailed another milestone in the traveling road show that is the Spirit rover -- using the fully deployed IDD to scrutinize the martian soil in minute detail. One of four instruments mounted on the arm -- a Microscopic Imager -- has taken the highest resolution picture of the martian surface to date. Throughout Spirit's exploration of Mars, this device serves as a geologist's hand lens, outputting close up views of select rocks and soils. The IDD is tucked under the front of the rover while the vehicle is traveling. The arm extends forward when the rover is in position to inspect a particular rock or patch of soil. Instrument-by-instrument check out Scientists were delighted at how well the Microscopic Imager is operating, taking extreme close-ups of the soil, showing the shape and size of particles. My personal view is that this is a conglomerate of dust particles on the surface of Mars, said Ken Herkenhoff, Science Lead for the Microscopic Imager from the U.S. Geological Survey in looking at first results. What holds the talcum powder-like particles together remains fodder for more study, he said. Jessica Collisson, JPL Flight Director for the rover mission, said the arm will be used tomorrow to lower Spirit's Mossbauer Spectrometer directly onto the surface. That instrument is to run for some four hours. The device is built to determine with high accuracy the composition and abundance of iron-bearing minerals - a way to decipher what early martian environmental conditions existed on the planet. Later, the instrument robot arm is to be rotated, permitting use of the Alpha Particle X-Ray Spectrometer. That piece of gear will be positioned to hover over the soil and run for roughly 20 hours, Collisson said, determining the elements that make up rocks and soils. Reports on how well the instruments worked, and what has been learned, is to be detailed Monday in the next press briefing. By that time, scientists and engineers should have decided on where next Spirit is to rove at Gusev Crater, and when use of a fourth instrument, a Rock Abrasion Tool, is planned. Fresh tracks Scientists have begun a detailed look at the rover's fresh tracks, created as Spirit crawled a short distance, away from the stationary lander hardware. The rover is not sinking in much at all, said Rob Sullivan, Science Team Member for the rover project from Cornell University. Both science and operational data can be gained from detailed looks at the rover's tracks, he said. Sullivan said that during the rover mission at Gusev Crater, Spirit can be commanded to really attack the soil. Using a wheel of Spirit, the martian terrain can be excavated. Doing so, a trench can be dug into the soil in which the robot's instruments can analyze subsurface materials. The more we mess up the soil around the rover, the more we learn, Sullivan said. Opportunity's trajectory adjustment As Spirit steps up its scientific duties on the red planet, the robot's identical twin -- Opportunity -- is screaming toward Mars. A key trajectory maneuver is set for late this evening, critical for targeting Opportunity to land eight days from now at Meridiani Planum, on the opposite side of the planet from where Spirit sits. Ground controllers are slated to uplink commands to Opportunity between 2:00 p.m. to 5:00 p.m. Pacific Standard Times (PST), with the trajectory maneuver to start at 5:52 p.m. PST. Joy Crisp, JPL Project Scientist for the Mars Exploration Rover effort, told SPACE.com that the maneuver later tonight will last around 9 seconds. That will tweak Opportunity's trajectory to precisely enter the martian atmosphere so it streaks toward its pre-selected landing point. Dust storm activity elsewhere on Mars had impacted the upper atmospheric regions over Meridiani Planum. But that dust is settling out, Crisp said. That should mean clear sailing for Opportunity as it plummets to the surface and makes use of its landing system. __ Meteorite-list mailing list [EMAIL PROTECTED] http://www.pairlist.net/mailman/listinfo/meteorite-list
[meteorite-list] Joining Forces Around Mars (Mars Express Spirit)
http://www.esa.int/export/SPECIALS/Mars_Express/SEM8XX374OD_0.html Joining forces around Mars European Space Agency 16 January 2004 Today, ESA's Mars Express orbiter flies almost directly over the NASA Spirit rover at Gusev Crater at an altitude of about 300 kilometres. Mars Express uses four instruments to look down, while Spirit looks up. Mars Express will be looking down with its High Resolution Stereo Camera and three spectrometers: OMEGA for identifying minerals in infrared and visible wavelengths, and the Planetary Fourier Spectrometer (PFS) and SPICAM for studying atmospheric circulation and composition. Spirit will be looking up with its panoramic camera and an infrared spectrometer. Spirit's science team will be able to take advantage of the special possibilities presented by this pass of the European orbiter. The aim is to get observations from above and below at the same time to determine the dynamics of the atmosphere as accurately as possible. The Mars Express observations are also expected to supplement earlier information from two NASA Mars orbiters about the surface minerals and geological features in Gusev Crater. Dr Ray Arvidson, Deputy Principal Investigator for the science instruments on the Spirit rover, said: This is an historic opportunity. Spirit's infrared spectrometer, the Miniature Thermal Emission Spectrometer (Mini-TES) can be used to assess the temperatures in the Mars atmosphere from the planet's surface to a height of several kilometres. The Mars Express measurements are most sensitive for the upper atmosphere, while Spirit's measurements are most sensitive for the lower portion of the atmosphere. Agustin Chicarro, ESA's Project Scientist for Mars Express, said: This is the first time that two space agencies are co-operating on another planet with two spacecraft. It is remarkable to know that one is in orbit and one is on the surface, both taking measurements to complement each other. __ Meteorite-list mailing list [EMAIL PROTECTED] http://www.pairlist.net/mailman/listinfo/meteorite-list
[meteorite-list] Spirit Flexes Its Arm To Use Microscope On Mars' Soil
MEDIA RELATIONS OFFICE JET PROPULSION LABORATORY CALIFORNIA INSTITUTE OF TECHNOLOGY NATIONAL AERONAUTICS AND SPACE ADMINISTRATION PASADENA, CALIFORNIA 91109. TELEPHONE (818) 354-5011 http://www.jpl.nasa.gov Guy Webster (818) 354-5011 Jet Propulsion Laboratory, Pasadena, Calif. Donald Savage (202) 358-1547 NASA Headquarters, Washington, D.C. NEWS RELEASE: 2004-022 January 16, 2004 Spirit Flexes Its Arm To Use Microscope On Mars' Soil NASA's Spirit rover reached out with its versatile robotic arm early today and examined a patch of fine-grained martian soil with a microscope at the end of the arm. We made our first use of the arm and took the first microscopic image of the surface of another planet, said Dr. Mark Adler, Spirit mission manager at NASA's Jet Propulsion Laboratory, Pasadena, Calif. The rover's microscopic imager, one of four tools on a turret at the end of the arm, serves as the functional equivalent of a field geologist's hand lens for examining structural details of rocks and soils. I'm elated and relieved at how well things are going. We got some great images in our first day of using the microscopic imager on Mars, said Dr. Ken Herkenhoff of the U.S. Geological Survey Astrogeology Team, Flagstaff, Ariz. Herkenhoff is the lead scientist for the microscopic imagers on Spirit and on Spirit's twin Mars Exploration Rover, Opportunity. The microscope can show features as small as the width of a human hair. While analysis of today's images from the instrument has barely begun, Herkenhoff said his first impression is that some of the tiny particles appear to be stuck together. Before driving to a selected rock early next week, Spirit will rotate the turret of tools to use two spectrometer instruments this weekend on the same patch of soil examined by the microsope, said Jessica Collisson, mission flight director. The Mössbauer Spectrometer identifies types of iron-bearing minerals. The Alpha Particle X-ray Spectrometer identifies the elements in rocks and soils. The rover's arm is about the same size as a human arm, with comparable shoulder, elbow and wrist joints. It is one of the most dextrous and capable robotic devices ever flown in space, said JPL's Dr. Eric Baumgartner, lead engineer for the robotic arm, which also goes by the name instrument deployment device. Best of all, Baumgartner said, this robotic arm sits on a rover, and a rover is meant to rove. Spirit will take this arm and the tremendous science package along with it, and reach out to investigate the surface. The wheels Spirit travels on provide other ways to examine Mars' soil. Details visible in images of the wheel tracks from the rover's first drive onto the soil give information about the soil's physical properties. Rover tracks are great, said Dr. Rob Sullivan of Cornell University, Ithaca, N.Y., a member of the science team for Spirit and Opportunity. For one thing, they mean we're on the surface of Mars! We look at them for engineering reasons and for science reasons. The first tracks show that the wheels did not sink too deep for driving and that the soil has very small particles that provide a finely detailed imprint of the wheels, he said. Opportunity, equipped identically to Spirit, will arrive at Mars Jan. 25 (Universal Time and EST; 9:05 p.m. Jan. 24, PST). The amount of dust in the atmosphere over Opportunity's planned landing site has been declining in recent days, said JPL's Dr. Joy Crisp, project scientist for the Mars Exploration Rover Project. Today, Spirit completes its 13th martian day, or sol, at its landing site in Gusev Crater. Each sol lasts 39 minutes and 35 seconds longer than an Earth day. The rover project's goal is for Spirit and Opportunity to explore the areas around their landing sites for clues in the rocks and the soil about whether the past environments there were ever watery and possibly suitable for sustaining life. JPL, a division of the California Institute of Technology in Pasadena, manages the Mars Exploration Rover Project for NASA's Office of Space Science, Washington, D.C. Pictures and additional information about the project are available from JPL at http://marsrovers.jpl.nasa.gov and from Cornell University, Ithaca, N.Y., at http://athena.cornell.edu/ . -end- __ Meteorite-list mailing list [EMAIL PROTECTED] http://www.pairlist.net/mailman/listinfo/meteorite-list
[meteorite-list] Allegan booklet taken
Hi all, I'm sorry to get back so late to the list on this but it's been a full day. Thanks for all your replies on the booklet -- it has found a new owner. Wish I had about a dozen more copies! Best wishes, Bob __ Meteorite-list mailing list [EMAIL PROTECTED] http://www.pairlist.net/mailman/listinfo/meteorite-list
[meteorite-list] Mars Rover Opportunity Mission Status - January 16, 2004
MEDIA RELATIONS OFFICE JET PROPULSION LABORATORY CALIFORNIA INSTITUTE OF TECHNOLOGY NATIONAL AERONAUTICS AND SPACE ADMINISTRATION PASADENA, CALIF. 91109. TELEPHONE (818) 354-5011 http://www.jpl.nasa.gov Guy Webster (818) 354-5011 Jet Propulsion Laboratory, Pasadena, Calif. Donald Savage (202) 358-1547 NASA Headquarters, Washington, D.C. NEWS RELEASE: 2004-023 January 16, 2004 Mars Rover Opportunity Mission Status With barely a week before reaching Mars, NASA's Opportunity spacecraft adjusted its trajectory, or flight path, today for the first time in four months. The spacecraft carries a twin to the Spirit rover, which is now exploring Mars' Gusev Crater. It will land halfway around Mars, in a region called Meridiani Planum, on Jan. 25 (Universal Time and EST; Jan. 24 at 9:05 p.m., PST). For today's trajectory correction maneuver, engineers at NASA's Jet Propulsion Laboratory, Pasadena, Calif., commanded Opportunity at 6 p.m. PST to fire thrusters in a sequence carefully calculated by the mission's navigators. The spacecraft is spinning at two rotations per minute. The maneuver began with a 20-second burn in the direction of the axis of rotation, then included two 5-second pulses perpendicular to that axis. Looks like we got a nice burn out of Opportunity, said JPL's Jim Erickson, mission manager. We're on target for our date on the plains of Meridiani next Saturday with a healthy spacecraft. Before the thruster firings, Opportunity was headed for a landing about 384 miles west and south of the intended landing site, said JPL's Christopher Potts, deputy navigation team chief for the Mars Exploration Rover Project. The maneuver was designed to put it on course for the target. Opportunity's schedule still includes two more possible trajectory correction maneuvers, on Jan. 22 and Jan. 24, but the maneuvers will only be commanded if needed. As of 5 a.m. Sunday, PST, Opportunity will have traveled 444 million kilometers (276 million miles) since its July 7 launch, and will have 12.5 million kilometers (7.8 million miles) left to go. JPL, a division of the California Institute of Technology, manages the Mars Exploration Rover project for NASA's Office of Space Science, Washington, D.C. Additional information about the project is available from JPL at http://marsrovers.jpl.nasa.gov and from Cornell University, Ithaca, N.Y., at http://athena.cornell.edu/ . -end- __ Meteorite-list mailing list [EMAIL PROTECTED] http://www.pairlist.net/mailman/listinfo/meteorite-list
[meteorite-list] Politics in action: Hubble vs. Space station.
Just heard on the radio newthat NASA has nowoffically cancelled the next proposed Hubble instrument upgrade in favor for completion of the Space station that has yet to be of scientific use. Spacesciencehas being highlypoliticized this week ifsome of uslike it or not. Maybe it alway has been since Sputnik.( Herschel?...Galieo?) No further comment. Will take discusion offline not to offend those with political allergies. Please keep it non partisan. Howard Wu ( Maybe NASA could resale the Hubble on ebayto the Chinese) Yahoo! Messenger - Communicate instantly..."Ping" your friends today! Download Messenger Now
