Re: [meteorite-list] Velocity a meteorite hits the ground?

2009-04-09 Thread Sterling K. Webb
Hi, The speed at which an object reaches the ground depends on the distance it has fallen, balanced by the retardation of air resistance. A smooth, pointed projectile falling from 42,000 feet will achieve a terminal velocity of about 900 mph, while an irregular floppy object like a man without a

Re: [meteorite-list] Velocity a meteorite hits the ground?

2009-04-09 Thread MeteorHntr
In a message dated 4/9/2009 2:09:03 A.M. Central Daylight Time, sterling_k_w...@sbcglobal.net writes: If someone tosses a mouse down the 100-foot shaft, the mouse lands on his feet, shakes his head dizzily, and says, What the hell was that all about? although to our ears it sounds like Eeeek!

Re: [meteorite-list] Is this an ethical way to treat a meteorite?

2009-04-09 Thread Bill Hall
Ok, PLEASE NOTE: I'm not recommending this to anyone, it just an experiment I tried with surprising results. Mainly the fact that it appeared to have exposed areas of fusion crust, and stabilized the specimen. What I did:#1 remove largest flakes with very light wire brushing,

[meteorite-list] AD - ebay auctions ending on Saturday

2009-04-09 Thread Meteoriteshow
Dear Listees, First of all I wish you all a bit in advance a very happy Easter weekend! I hope that you will still have time to browse on ebay as our auctions are ending on Saturday as usual and can be seen at: http://search.ebay.com/_W0QQfgtpZ1QQfrppZ50QQsassZmeteoriteshow They include:

Re: [meteorite-list] Is this an ethical way to treat a meteorite?

2009-04-09 Thread Mark Ford
Thanks Bill, for the information, always useful to have other peoples take on how to treat rusting irons. A note to those using or considering using chemical gun blues: be very very careful, it is really soo toxic as usually it contains Selenium dioxide, it will make you very ill. (Also even

Re: [meteorite-list] Velocity a meteorite hits the ground?

2009-04-09 Thread Piper R.W. Hollier
Hello Aubrey and list, There is a good basic explanation of terminal velocity here: http://en.wikipedia.org/w/index.php?title=Terminal_velocity A Java applet for do-it-yourself calculations can be downloaded here: http://www.grc.nasa.gov/WWW/K-12/airplane/termv.html A table with calculated

[meteorite-list] Is this an ethical way to treat a meteorite?

2009-04-09 Thread Bill Hall
Thank you Mark, Good point! Disclaimer: Don't try this at home! If you do try it please be CAREFUL! Respirator, safety glasses, good ventilation, apron, gloves, etc. etc. Bill __

Re: [meteorite-list] Velocity a meteorite hits the ground?

2009-04-09 Thread Aubrey Whymark
Thanks for all the replies! Whilst I wasn't happy about being hit by hail stones, I'm pleased I wasn't hit by a meteorite! Mind you, that would be a real hammer and I'm sure the money would pay the medical expenses for a new hand! Regards, Aubrey __

Re: [meteorite-list] Neither Carbonado Nor Meteorite

2009-04-09 Thread Steve Schoner
I can assure you and everyone that this is a real carbonado diamond. I have dealt this this ebay diamond distributor before and his items are exactly what he claims them to be. They are diamonds. I bought a nice one from this dealer some time ago. It is a specimen at 21 carets and he had

Re: [meteorite-list] Neither Carbonado Nor Meteorite

2009-04-09 Thread Fries, Marc D
A carbonado with fusion crust? My skepticism meter is pegged. If true it would be of extraordinary scientific interest, but the problem is that diamond doesn¹t melt. It evaporates. Silicates are content to form what is basically a liquid silicon oxide, but carbon oxides (CO, CO2) are gases,

Re: [meteorite-list] Neither Carbonado Nor Meteorite

2009-04-09 Thread STARSANDSCOPES
Those Carbonado's are cool. Any chance they were formed in space and some could show signs of entry that might resemble at least the texture of crust. If the shape and texture was there I can see why it would look like fusion crust as they are already black and glassy looking. There is a

[meteorite-list] Scientists Say Aliens and Humans May Have Similar DNA Patterns

2009-04-09 Thread Meteorites USA
...According to researchers at the McMaster University in Hamilton, Ontario, Canada, led by astrophysicist Ralph Pudritz, this idea was prompted by the fact that the way in which amino-acids were found to bond in meteorite samples that were collected from Earth seemed very similar to the way

[meteorite-list] AD - NEW LL4 Meteorite for sale

2009-04-09 Thread star_wars_collector
Hi to all, Hope everyone is having a good day! I am offering a few slices of the new LL4 meteorite for sale that I have had tested and will be submitting to recieve a NWA #. Its a great looking meteorite with a total weight of only 497g prior to cutting, and I will only be selling about 100

[meteorite-list] [AD] Claxton slice with breathtaking crust

2009-04-09 Thread Jan Bartels
Dear Listoids, If you want to see (or buy) our killer Claxton slice.look here: http://cgi.ebay.com/Claxton-Mailbox-Hammer-Meteorite-3-8-grams_W0QQitemZ170319880759QQihZ007QQcategoryZ3239QQssPageNameZWDVWQQrdZ1QQcmdZViewItem It has the best crust ever seen with lots of mailbox silver paint

[meteorite-list] MRO HiRISE Images - April 8, 2009

2009-04-09 Thread Ron Baalke
MARS RECONNAISSANCE ORBITER HIRISE IMAGES April 8, 2009 Rough-Textured Circular Feature http://hirise.lpl.arizona.edu/ESP_012425_1455 Russell Crater Dunes: Volatile Activity Investigation http://hirise.lpl.arizona.edu/ESP_011580_1255 Seasonal Haloes and Fractal Patterns

[meteorite-list] STEREO Hunts for Remains of an Ancient Planet near Earth

2009-04-09 Thread Ron Baalke
http://science.nasa.gov/headlines/y2009/09apr_theia.htm STEREO Hunts for Remains of an Ancient Planet near Earth NASA Science News 04.09.2009 April 9, 2009: NASA's twin STEREO probes are entering a mysterious region of space to look for remains of an ancient planet which once orbited the Sun

[meteorite-list] DNA Analysis May Be Done On Mars For First Time

2009-04-09 Thread Ron Baalke
http://www.newscientist.com/article/dn16933-first-dna-analysis-may-be-done-on-another-planet.html DNA analysis may be done on Mars for first time by Ewen Callaway New Scientist 09 April 2009 In August 1996, molecular biologist Gary Ruvkun was about to reveal one of the biggest discoveries of

Re: [meteorite-list] Neither Carbonado Nor Meteorite

2009-04-09 Thread Steve Schoner
Fred, I can only say that the lines and surface looked like fusion crust from the photos that I received from ebay's seller, aaaroughy. I communicated with Dr. Haggarty regarding this and he even mentioned to me that there are exceedingly rare carbonado examples that have traces of what

Re: [meteorite-list] Neither Carbonado Nor Meteorite

2009-04-09 Thread Steve Schoner
Ooops, Marc (MDF), not Fred my mistake-- Left side of my damaged brain did it. Steve -- Original Message -- From: Steve Schoner scho...@mybluelight.com To: meteorite-list@meteoritecentral.com Subject: Re: Neither Carbonado Nor Meteorite Date: Thu, 9 Apr 2009 23:52:59 GMT

[meteorite-list] Rocks from Space Picture of the Day - April 10, 2009

2009-04-09 Thread SPACEROCKSINC
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