Talk:Tagish Lake (meteorite)

Untitled
What does "pre-entry orbit" mean? From context I'm guessing it means the object had an orbit worked out for it before it crashed into Earth, but that's rather surprising if it was only 4 meters across. In any case, I'm asking because I have a pretty good handle on space science and I don't know this term. The article might benefit from an explanation of it, since I'm pretty sure your average Wikipedia user is not going to know what it means either. Paul Drye 19:40, 30 January 2006 (UTC) OK, answered my own question -- added it to the article. Paul Drye 19:46, 30 January 2006 (UTC)

Meteorites with accurately determined pre-entry orbit
I have excluded the Yukon meteorite from the number of meteorites with accurately determined pre-entry orbit, since it is not as accurate as the others are. On the other hand I have raised the number of two more, which have been determined since that time. They are
 * meteorite Morávka, Czech Republic, also in 2000
 * meteorite Neuschwanstein, Germany, in 2002

The others are:
 * Příbram, Czech Republic (Czechoslovakia in that time), in 1959
 * Lost City, USA, 1970
 * Innisfree, Canada, 1977
 * Peekskill, USA, 1992, destroying a parked car

Jan.Kamenicek 21:33, 30 January 2006 (UTC)

guardian newspaper article
someone with more time than me may wish to add in findings from this article: http://www.guardian.co.uk/science/story/0,,1961515,00.html

There is more to it
Somebody should mention they found actual organic matter in that meteorite: http://news.nationalgeographic.com/news/2006/11/061130-meteorite.html —The preceding unsigned comment was added by Uni4dfx (talk • contribs).

Nomenclature
Spawn Man renamed the page to "Tagish Lake meteorite" because in his opinion "the meteorite isn't called tagish lake, tagish lake is called tagish lake - it's called the tagish lake meteorite". Where did you read that the name of the meteorite fallen on the Tagish Lake is not "Tagish Lake"? Wikipedia does not publish original research or original thought. As you can see both on the Tagish Lake page of the Meteoritical Bulletin Database and on the The Meteoritical Bulletin, No. 84, the official name is "Tagish Lake". Moreover you can see the name "Tagish Lake" without "meteorite" also on the page Meteorite falls. So, as you can see, the correct name of the Tagish Lake meteorite is "Tagish Lake" like the name of the planet Earth is "Earth"... The correct name of the page should be "Tagish Lake (meteorite)". -- Basilicofresco  (msg) 11:06, 21 September 2008 (UTC)
 * Don't treat me like I'm some idiot, I know the OR rules. The book I researched the meteorite from (now back at library, but it was an astronomy book) had it listed as tagish lake meteorite. The is already a tagish lake, so without the bracketed term meteorite, you're basically saying the name is "Tagish lake". So when I say, Tagish lake is a small stony object which landed here from outer-space, I'm apparently referring to the lake not the meteorite. I mean, a whole lake did not drop from the sky - the meteorite did. It's listed as Tagish lake because that's where it landed. Reply here, but the sources I had definitely didn't have the meteorite named "Tagish Lake". Cheers, Spawn Man (talk) 02:05, 24 September 2008 (UTC)


 * I really did not want to insult you. I know meteorites and meteorites nomenclature because I have been reading books and collecting them for about 6 years. First of all please take a look at the Nomenclature committee on the Meteoritical Society website. As you can see, just like asteroids, planets, moons, stars and so on, there is an official name for every meteorite (meant as the collection of stones coming from the same meteorite fall). This applies for every officially recognized meteorite. The meteorite fallen on the "Tagish Lake" was officially named "Tagish Lake" by the Nomenclature committee of the Meteoritical Society. Within articles meteorite names are quite often followed by the word "meteorite" because they are actually meteorites. How can I say.... well, is the name of the state of Washington "state of Washington"? Neverless is quite common to read "state of Washington". For example on "The Cambridge encyclopedia of meteorites" (Richard Norton, Cambridge University Press, 2002. ISBN 0521621437) at page 123 you can read: "Tagish Lake is obviously a new C chondrite for which there is no convenient slot to place it in the current C chondrite hierarchy." Another clear example on "Meteorites" of Robert Hutchison: "Some 5-10 kg of samples of Tagish Lake were collected from melting lake ice during May 2000 [...]". Please follow the links above, they are reliable sources (probably the best available) about the name of the Tagish Lake meteorite. -- Basilicofresco  (msg) 15:00, 24 September 2008 (UTC)
 * Meh... The book I read had it listed as that and Tagish Lake is like no other meteorite I've ever read... Whatever, I've got better things to do. However, if you really want to be useful, you could try improving the article some more... Cheers, Spawn Man (talk) 06:52, 25 September 2008 (UTC)

Tagish Lake = C + D ??
The TL asteroid is composed of two rock types, one with carbonates (-CO3), the other without. Carbonates indicate the presence of liquid water, which would have been present in the inner (proto) solar system, and not in the outer system, beyond the water "ice line". Inexpertly, D-type asteroids resemble C-type asteroids, but reside beyond the asteroid belt, and may represent the inner fringe of the Kuiper belt. Perhaps the TL asteroid is a composite C + D body, reminiscent of the P-type asteroids intermediate in space location, and physical properties, between C and D asteroids ?? 66.235.38.214 (talk) 16:47, 20 September 2012 (UTC)

External links modified (January 2018)
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Kimura 2021
Please can an expert add information from this new article: Yuki Kimura, Kazuo Yamamoto, Shigeru Wakita: Electron Holography Details the Tagish Lake Parent Body and Implies Early Planetary Dynamics of the Solar System ApJL 917 L5 Published 2021 August 11; 10.3847/2041-8213/ac13a8. See also Michelle Starr: Hidden Magnetic Patterns Inside Meteorites Reveal Secrets of The Early Solar System, SienceAlert, 13 AUGUST 2021. Thanks. --Ernsts (talk)